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.
2020The Little Dog Laughed as Alex
2020Stars in the House (1 Episode) as Self
2019A Dog's Journey as Henry Montgomery
2018The Conners (4 Episodes) as David Healy
2018太平洋战士 (10 Episodes) as 主演
2018SciJinks (8 Episodes) as Himself - Host
2018The Cleanse as Paul Berger
2017Rings as Gabriel Brown
2016Must See TV: An All Star Tribute to James Burrows as Self
2015Lip Sync Battle (1 Episode) as Self
2013CBGB as Terry Ork
2011In Time as Borel
2010Conan (1 Episode) as Self
2009Table for Three as Ted
2008Hancock as Jeremy
2007The Big Bang Theory (279 Episodes) as Leonard Hofstadter
2007Boulevard of Broken Dreams (1 Episode) as (archive footage)
2005My Name Is Earl (1 Episode) as Scott
2005American Dad! (1 Episode) as Arnie (voice)
2005Happy Endings as Miles (uncredited)
2005The Late Late Show with Craig Ferguson (1 Episode) as Self
2004LAX (1 Episode) as Leland Pressman
2004Chrystal as Barry
2003Hope & Faith (3 Episodes) as Jay
2003Bookies as Jude
2001Vanilla Sky as Peter Brown
2001Morgan's Ferry as Darcy
2000Bounce as Seth
2000Playing Mona Lisa as Arthur
1999The Norm Show (2 Episodes) as Dale Stackhouse
1999Family Guy (1 Episode) as Leonard Hofstadter (voice)
1999Batman Beyond (1 Episode) as Knux (voice)
1998The Opposite of Sex as Jason Bock
1997I Know What You Did Last Summer as Max Neurick
1997Suicide Kings as Ira Reder
1997Bean as Stingo Wheelie
1996Murder at My Door as Teddy McNair
1994Without Consent as Marty
1993Sudden Fury as Daniel Hannigan
1992Billy (13 Episodes) as David MacGregor
1991Civil Wars (1 Episode) as Greg Stolbach
1991Backfield in Motion as Tim Seavers
1990In Defense of a Married Man as Eric
1990American Dreamer (17 Episodes) as Danny Nash
1990Blossom (1 Episode) as Jason
1990Blind Faith (2 Episodes) as John Marshall
1989National Lampoon's Christmas Vacation as Russell 'Rusty' Griswold
1989Prancer as Billy Quinn
1989Hardball (1 Episode) as Unknown
1988Roseanne (92 Episodes) as David Healy
1988A Night in the Life of Jimmy Reardon as Toby Reardon
1987Murder Ordained as Doug Rule
1981Entertainment Tonight (2 Episodes) as Self