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Johnny Galecki | Slate

Johnny Galecki

Photo

Johnny Galecki

Photo

Johnny Galecki

Johnny Galecki is a Belgian-born American actor, best known for his roles as David Healy in Roseanne, Rusty Griswold in National Lampoon's Christmas Vacation, and as Leonard Hofstadter in The Big Bang Theory.

Known for: Acting
Born: 30 Apr 1975
Age: 51
Place of birth: Bree, Belgium

Known for

The Big Bang Theory2007
In Time2011

6.4

Hancock2008

Vanilla Sky2001

Actor

I'm Chevy Chase and You're Not2025
The Little Dog Laughed2020
Stars in the House2020
Unraveling the Mystery: A Big Bang Farewell2019
A Dog's Journey2019
The Conners2018
The Conners
Season 1
S1E11We Continue to Truck
S1E2Tangled Up in Blue
Season 2
S2E2A Kiss Is Just a Kiss
S2E4Lanford... Lanford
SciJinks2018
The Cleanse2018
Rings2017
Must See TV: An All Star Tribute to James Burrows2016
The Late Show with Stephen Colbert2015
The Late Show with Stephen Colbert
Season 4
S4E149The Cast of The Big Bang Theory, Barenaked Ladies
Lip Sync Battle2015
Lip Sync Battle
Season 2
S2E4Josh Gad vs. Kaley Cuoco
CBGB2013
In Time2011
Conan2010
Conan
Season 2
S2E27Manuary 5th - The Day of the Dude
Season 6
S6E47Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik, Melissa Rauch
The Talk2010
Table for Three2009
Hancock2008
The Big Bang Theory2007
The Big Bang Theory
Season 0
S0E1Unaired Pilot
Season 1
S1E1Pilot
S1E10The Loobenfeld Decay
S1E11The Pancake Batter Anomaly
S1E12The Jerusalem Duality
S1E13The Bat Jar Conjecture
S1E14The Nerdvana Annihilation
S1E15The Pork Chop Indeterminacy
S1E16The Peanut Reaction
S1E17The Tangerine Factor
S1E2The Big Bran Hypothesis
S1E3The Fuzzy Boots Corollary
S1E4The Luminous Fish Effect
S1E6The Middle-Earth Paradigm
S1E7The Dumpling Paradox
S1E8The Grasshopper Experiment
S1E9The Cooper-Hofstadter Polarization
Season 2
S2E1The Bad Fish Paradigm
S2E10The Vartabedian Conundrum
S2E11The Bath Item Gift Hypothesis
S2E12The Killer Robot Instability
S2E13The Friendship Algorithm
S2E14The Financial Permeability
S2E15The Maternal Capacitance
S2E16The Cushion Saturation
S2E17The Terminator Decoupling
S2E18The Work Song Nanocluster
S2E19The Dead Hooker Juxtaposition
S2E2The Codpiece Topology
S2E20The Hofstadter Isotope
S2E21The Vegas Renormalization
S2E22The Classified Materials Turbulence
S2E23The Monopolar Expedition
S2E3The Barbarian Sublimation
S2E4The Griffin Equivalency
S2E5The Euclid Alternative
S2E6The Cooper-Nowitzki Theorem
S2E7The Panty Piñata Polarization
S2E8The Lizard-Spock Expansion
S2E9The White Asparagus Triangulation
Season 3
S3E1The Electric Can Opener Fluctuation
S3E10The Gorilla Experiment
S3E11The Maternal Congruence
S3E12The Psychic Vortex
S3E13The Bozeman Reaction
S3E14The Einstein Approximation
S3E15The Large Hadron Collision
S3E16The Excelsior Acquisition
S3E17The Precious Fragmentation
S3E18The Pants Alternative
S3E19The Wheaton Recurrence
S3E2The Jiminy Conjecture
S3E21The Plimpton Stimulation
S3E22The Staircase Implementation
S3E23The Lunar Excitation
S3E3The Gothowitz Deviation
S3E4The Pirate Solution
S3E5The Creepy Candy Coating Corollary
S3E6The Cornhusker Vortex
S3E7The Guitarist Amplification
S3E8The Adhesive Duck Deficiency
S3E9The Vengeance Formulation
Season 4
S4E1The Robotic Manipulation
S4E10The Alien Parasite Hypothesis
S4E11The Justice League Recombination
S4E12The Bus Pants Utilization
S4E13The Love Car Displacement
S4E14The Thespian Catalyst
S4E15The Benefactor Factor
S4E16The Cohabitation Formulation
S4E17The Toast Derivation
S4E18The Prestidigitation Approximation
S4E19The Zarnecki Incursion
S4E2The Cruciferous Vegetable Amplification
S4E20The Herb Garden Germination
S4E21The Agreement Dissection
S4E22The Wildebeest Implementation
S4E23The Engagement Reaction
S4E24The Roommate Transmogrification
S4E3The Zazzy Substitution
S4E4The Hot Troll Deviation
S4E5The Desperation Emanation
S4E6The Irish Pub Formulation
S4E7The Apology Insufficiency
S4E8The 21-Second Excitation
S4E9The Boyfriend Complexity
Season 5
S5E1The Skank Reflex Analysis
S5E10The Flaming Spittoon Acquisition
S5E11The Speckerman Recurrence
S5E12The Shiny Trinket Maneuver
S5E13The Recombination Hypothesis
S5E14The Beta Test Initiation
S5E15The Friendship Contraction
S5E16The Vacation Solution
S5E17The Rothman Disintegration
S5E18The Werewolf Transformation
S5E19The Weekend Vortex
S5E2The Infestation Hypothesis
S5E20The Transporter Malfunction
S5E21The Hawking Excitation
S5E22The Stag Convergence
S5E23The Launch Acceleration
S5E24The Countdown Reflection
S5E3The Pulled Groin Extrapolation
S5E4The Wiggly Finger Catalyst
S5E5The Russian Rocket Reaction
S5E6The Rhinitis Revelation
S5E7The Good Guy Fluctuation
S5E8The Isolation Permutation
S5E9The Ornithophobia Diffusion
Season 6
S6E1The Date Night Variable
S6E10The Fish Guts Displacement
S6E11The Santa Simulation
S6E12The Egg Salad Equivalency
S6E13The Bakersfield Expedition
S6E14The Cooper/Kripke Inversion
S6E15The Spoiler Alert Segmentation
S6E16The Tangible Affection Proof
S6E17The Monster Isolation
S6E18The Contractual Obligation Implementation
S6E19The Closet Reconfiguration
S6E2The Decoupling Fluctuation
S6E20The Tenure Turbulence
S6E21The Closure Alternative
S6E22The Proton Resurgence
S6E23The Love Spell Potential
S6E24The Bon Voyage Reaction
S6E3The Higgs Boson Observation
S6E4The Re-Entry Minimization
S6E5The Holographic Excitation
S6E6The Extract Obliteration
S6E7The Habitation Configuration
S6E8The 43 Peculiarity
S6E9The Parking Spot Escalation
Season 7
S7E1The Hofstadter Insufficiency
S7E10The Discovery Dissipation
S7E11The Cooper Extraction
S7E12The Hesitation Ramification
S7E13The Occupation Recalibration
S7E14The Convention Conundrum
S7E15The Locomotive Manipulation
S7E16The Table Polarization
S7E17The Friendship Turbulence
S7E18The Mommy Observation
S7E19The Indecision Amalgamation
S7E2The Deception Verification
S7E20The Relationship Diremption
S7E21The Anything Can Happen Recurrence
S7E22The Proton Transmogrification
S7E23The Gorilla Dissolution
S7E24The Status Quo Combustion
S7E3The Scavenger Vortex
S7E4The Raiders Minimization
S7E5The Workplace Proximity
S7E6The Romance Resonance
S7E7The Proton Displacement
S7E8The Itchy Brain Simulation
S7E9The Thanksgiving Decoupling
Season 8
S8E1The Locomotion Interruption
S8E10The Champagne Reflection
S8E11The Clean Room Infiltration
S8E12The Space Probe Disintegration
S8E13The Anxiety Optimization
S8E14The Troll Manifestation
S8E15The Comic Book Store Regeneration
S8E16The Intimacy Acceleration
S8E17The Colonization Application
S8E18The Leftover Thermalization
S8E19The Skywalker Incursion
S8E2The Junior Professor Solution
S8E20The Fortification Implementation
S8E21The Communication Deterioration
S8E22The Graduation Transmission
S8E23The Maternal Combustion
S8E24The Commitment Determination
S8E3The First Pitch Insufficiency
S8E4The Hook-Up Reverberation
S8E5The Focus Attenuation
S8E6The Expedition Approximation
S8E7The Misinterpretation Agitation
S8E8The Prom Equivalency
S8E9The Septum Deviation
Season 9
S9E1The Matrimonial Momentum
S9E10The Earworm Reverberation
S9E11The Opening Night Excitation
S9E12The Sales Call Sublimation
S9E13The Empathy Optimization
S9E14The Meemaw Materialization
S9E15The Valentino Submergence
S9E16The Positive Negative Reaction
S9E17The Celebration Experimentation
S9E18The Application Deterioration
S9E19The Solder Excursion Diversion
S9E2The Separation Oscillation
S9E20The Big Bear Precipitation
S9E21The Viewing Party Combustion
S9E22The Fermentation Bifurcation
S9E23The Line Substitution Solution
S9E24The Convergence Convergence
S9E3The Bachelor Party Corrosion
S9E4The 2003 Approximation
S9E5The Perspiration Implementation
S9E6The Helium Insufficiency
S9E7The Spock Resonance
S9E8The Mystery Date Observation
S9E9The Platonic Permutation
Season 10
S10E1The Conjugal Conjecture
S10E10The Property Division Collision
S10E11The Birthday Synchronicity
S10E12The Holiday Summation
S10E13The Romance Recalibration
S10E14The Emotion Detection Automation
S10E15The Locomotion Reverberation
S10E16The Allowance Evaporation
S10E17The Comic-Con Conundrum
S10E18The Escape Hatch Identification
S10E19The Collaboration Fluctuation
S10E2The Military Miniaturization
S10E20The Recollection Dissipation
S10E21The Separation Agitation
S10E22The Cognition Regeneration
S10E23The Gyroscopic Collapse
S10E24The Long Distance Dissonance
S10E3The Dependence Transcendence
S10E4The Cohabitation Experimentation
S10E5The Hot Tub Contamination
S10E6The Fetal Kick Catalyst
S10E7The Veracity Elasticity
S10E8The Brain Bowl Incubation
S10E9The Geology Elevation
Season 11
S11E1The Proposal Proposal
S11E10The Confidence Erosion
S11E11The Celebration Reverberation
S11E12The Matrimonial Metric
S11E13The Solo Oscillation
S11E14The Separation Triangulation
S11E15The Novelization Correlation
S11E16The Neonatal Nomenclature
S11E17The Athenaeum Allocation
S11E18The Gates Excitation
S11E19The Tenant Disassociation
S11E2The Retraction Reaction
S11E20The Reclusive Potential
S11E21The Comet Polarization
S11E22The Monetary Insufficiency
S11E23The Sibling Realignment
S11E24The Bow Tie Asymmetry
S11E3The Relaxation Integration
S11E4The Explosion Implosion
S11E5The Collaboration Contamination
S11E6The Proton Regeneration
S11E7The Geology Methodology
S11E8The Tesla Recoil
S11E9The Bitcoin Entanglement
Season 12
S12E1The Conjugal Configuration
S12E10The VCR Illumination
S12E11The Paintball Scattering
S12E12The Propagation Proposition
S12E13The Confirmation Polarization
S12E14The Meteorite Manifestation
S12E15The Donation Oscillation
S12E16The D & D Vortex
S12E17The Conference Valuation
S12E18The Laureate Accumulation
S12E19The Inspiration Deprivation
S12E2The Wedding Gift Wormhole
S12E20The Decision Reverberation
S12E21The Plagiarism Schism
S12E22The Maternal Conclusion
S12E23The Change Constant / The Stockholm Syndrome
S12E3The Procreation Calculation
S12E4The Tam Turbulence
S12E5The Planetarium Collision
S12E6The Imitation Perturbation
S12E7The Grant Allocation Derivation
S12E8The Consummation Deviation
S12E9The Citation Negation
Boulevard of Broken Dreams2007
My Name Is Earl2005
American Dad!2005
American Dad!
Season 3
S3E8Irregarding Steve
Happy Endings2005
The Late Late Show with Craig Ferguson2005
The Late Late Show with Craig Ferguson
Season 8
S8E84Jason Segel / Johnny Galecki
LAX2004
LAX
Season 1
S1E2Finnegan Again, Begin Again
Entourage2004
Entourage
Season 8
S8E1Home Sweet Home
S8E6The Big Bang
S8E7Second to Last
Chrystal2004
Hope & Faith2003
Hope & Faith
Season 3
S3E18The Restaurant
S3E19Jay Date
S3E9Blood is Thicker Than Daughter
The Ellen DeGeneres Show2003
The Ellen DeGeneres Show
Season 9
S9E39Antonio Banderas, Johnny Galecki
Bookies2003
Vanilla Sky2001
Morgan's Ferry2001
Bounce2000
Playing Mona Lisa2000
The Norm Show1999
The Norm Show
Season 3
S3E7Norm vs. Youth (1)
S3E8Norm vs. Youth (2)
Family Guy1999
Family Guy
Season 8
S8E9Business Guy
Batman Beyond1999
Batman Beyond
Season 2
S2E22April Moon
The Opposite of Sex1998
I Know What You Did Last Summer1997
Suicide Kings1997
Bean1997
Murder at My Door1996
Without Consent1994
Sudden Fury1993
Billy1992
Civil Wars1991
Civil Wars
Season 2
S2E14Split Ends
Backfield in Motion1991
In Defense of a Married Man1990
American Dreamer1990
Blossom1990
Blind Faith1990
National Lampoon's Christmas Vacation1989
Prancer1989
Hardball1989
Hardball
Season 1
S1E18The Hunt for Honus Wagner
Roseanne1988
Roseanne
Season 4
S4E14The Bowling Show
S4E18This Old House
S4E21Lies
S4E22Deliverance
Season 5
S5E12It's No Place Like Home for the Holidays
S5E15Lanford Daze
S5E17First Cousin, Twice Removed
S5E19It's a Boy!
S5E2Terms of Estrangement (2)
S5E20It was Twenty Years Ago Today
S5E21Playing with Matches
S5E22Promises, Promises
S5E23Glengarry, Glen Rosey
S5E24Tooth or Consequences
S5E25Daughters and Other Strangers
S5E3The Dark Ages
S5E5Pretty in Black
S5E6Looking for Loans in All the Wrong Places
Season 6
S6E1Two Down, One to Go
S6E10Thanksgiving '93
S6E12White Trash Christmas
S6E14Busted
S6E15David vs Goliath
S6E16Everyone Comes To Jackie's
S6E17Don't Make Room for Daddy
S6E18Don't Ask, Don't Tell
S6E20Past Imperfect
S6E21Lies My Father Told Me
S6E22I Pray the Lord My Stove to Keep
S6E23Body by Jake
S6E24Isn't It Romantic?
S6E25Altar Egos
S6E3Party Politics
S6E4A Stash from the Past
S6E5Be My Baby
S6E6Halloween V
S6E7Homeward Bound
Season 7
S7E1Nine Is Enough
S7E10Thanksgiving '94
S7E12The Parenting Trap
S7E13Rear Window
S7E15Bed and Bored
S7E16Sisters
S7E17Lost Youth
S7E18Single Married Female
S7E2Two for One
S7E22Happy Trailers
S7E23The Blaming of the Shrew
S7E24The Birds and the Frozen Bees
S7E25Couch Potatoes
S7E26Sherwood Schwartz: A Loving Tribute
S7E3Snoop Davey Dave
S7E4Girl Talk
S7E5Sleeper
S7E6Skeleton in the Closet
S7E7Follow the Son
S7E8Punch and Jimmy
Season 8
S8E1Shower the People You Love with Stuff
S8E10Direct to Video
S8E11December Bride
S8E12The Thrilla Near the Vanilla Extract
S8E13The White Sheep of the Family
S8E14Becky Howser, M.D.
S8E15Out of the Past
S8E16Construction Junction
S8E17We're Going to Disney World (1)
S8E18Disney World War II (2)
S8E19Springtime for David
S8E2Let Them Eat Junk
S8E20Another Mouth to Shut Up
S8E21Morning Becomes Obnoxious
S8E22Ballroom Blitz
S8E23The Wedding
S8E24Heart & Soul
S8E3Roseanne in the Hood
S8E5Halloween: the Final Chapter
S8E6The Fifties Show
S8E7The Getaway, Almost
S8E8The Last Thursday in November
S8E9Of Mice and Dan
Season 9
S9E1Call Waiting
S9E10Home is Where the Afghan Is
S9E11Mothers and Other Strangers
S9E12Home for the Holidays
S9E13Say It Ain't So
S9E15The War Room
S9E19The Miracle
S9E2Millions from Heaven
S9E23Into That Good Night (1)
S9E3What a Day for a Daydream
S9E4Honor Thy Mother
Season 10
S10E5Darlene v. David
A Night in the Life of Jimmy Reardon1988
Murder Ordained1987
Entertainment Tonight1981
Entertainment Tonight
Season 35
S35E129Episode 129
S35E134Episode 134
People's Choice Awards1975
People's Choice Awards
Season 39
S39E139th People's Choice Awards
Peep Show