Johnny Galecki
Known For
Acting
Gender
Male
Birthday
Apr 30, 1975 (51 years old)
Place of Birth
Bree, Belgium
Biography
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
| 2025 | I'm Chevy Chase and You're NotSelf | |
| 2020 | The Little Dog LaughedAlex | |
| 2020 | Stars in the HouseSelf | |
| 2019 | A Dog's JourneyHenry Montgomery | |
| 2019 | Unraveling The Mystery: A Big Bang FarewellSelf - Host | |
| 2018 | The CleansePaul Berger | |
| 2018 | SciJinksSelf - Host | |
| 2018 | The ConnersDavid Healy | |
| 2017 | RingsGabriel Brown | |
| 2016 | Must See TV: An All Star Tribute to James BurrowsSelf | |
| 2015 | Lip Sync BattleSelf | |
| 2015 | The Late Show with Stephen ColbertSelf - Guest | |
| 2013 | CBGBTerry Ork | |
| 2011 | In TimeBorel | |
| 2010 | ConanSelf | |
| 2010 | ConanSelf - Guest | |
| 2009 | Table for ThreeTed | |
| 2008 | HancockJeremy | |
| 2007 | The Big Bang TheoryLeonard Hofstadter | |
| 2007 | Boulevard of Broken DreamsSelf (archive footage) | |
| 2005 | Happy EndingsMiles (uncredited) | |
| 2005 | American Dad!Arnie (voice) | |
| 2005 | My Name Is EarlScott | |
| 2005 | The Late Late Show with Craig FergusonSelf | |
| 2004 | ChrystalBarry | |
| 2004 | LAXLeland Pressman | |
| 2004 | EntourageJohnny Galecki | |
| 2003 | BookiesJude | |
| 2003 | Hope & FaithJay | |
| 2001 | Morgan's FerryDarcy | |
| 2001 | Vanilla SkyPeter Brown | |
| 2000 | Playing Mona LisaArthur | |
| 2000 | BounceSeth | |
| 1999 | Batman BeyondKnux (voice) | |
| 1999 | Family GuyLeonard Hofstadter (voice) | |
| 1999 | The Norm ShowDale Stackhouse | |
| 1998 | The Opposite of SexJason Bock | |
| 1997 | BeanStingo Wheelie | |
| 1997 | I Know What You Did Last SummerMax Neurick | |
| 1997 | Suicide KingsIra Reder | |
| 1996 | Murder at My DoorTeddy McNair | |
| 1994 | Without ConsentMarty | |
| 1993 | Sudden FuryDaniel Hannigan | |
| 1992 | BillyDavid MacGregor | |
| 1991 | Backfield in MotionTim Seavers | |
| 1991 | Civil WarsGreg Stolbach | |
| 1990 | In Defense of a Married ManEric | |
| 1990 | American DreamerDanny Nash | |
| 1990 | BlossomJason | |
| 1990 | Blind FaithJohn Marshall | |
| 1989 | National Lampoon's Christmas VacationRusty Griswold | |
| 1989 | PrancerBilly Quinn | |
| 1989 | Hardball | |
| 1988 | A Night in the Life of Jimmy ReardonToby Reardon | |
| 1988 | RoseanneDavid Healy | |
| 1987 | Murder OrdainedDoug Rule | |
| 1981 | Entertainment TonightSelf | |
| 1975 | People's Choice AwardsSelf - Presenter | |
| - | Peep ShowMark |
| 2018 | The CleanseProducer | |
| 2018 | SciJinksExecutive Producer |