7.9
TV
Acting
Johnny Galecki
- Born
- (age 51)
- Birthplace
- Bree, Belgium
- Credits
- 60 titles
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.
Signature work
Known For
7.9
TV
7.0
Movie
In Time
6.4
Movie
Hancock
7.4
TV
Family Guy
6.8
Movie
Vanilla Sky
6.0
Movie
I Know What You Did Last Summer
7.2
Movie
National Lampoon's Christmas Vacation
6.5
Movie
Bean
5.0
Movie
Rings
7.0
TV
American Dad!
8.0
Movie
A Dog's Journey
7.6
TV
My Name Is Earl
7.4
TV
Entourage
8.2
TV
Batman Beyond
5.8
Movie
Bounce
6.8
TV
Roseanne
6.1
TV
The Late Show with Stephen Colbert
6.6
Movie
Suicide Kings
Acting credits 60
| Year | Title | Role |
|---|---|---|
| TBA | Peep Show TV | Mark (1 ep) |
| 2025 | I'm Chevy Chase and You're Not Film | Self |
| 2020 | The Little Dog Laughed Film | Alex |
| 2020 | Stars in the House TV | Self (1 ep) |
| 2019 | Unraveling the Mystery: A Big Bang Farewell Film | Self - Host |
| 2019 | A Dog's Journey Film | Henry Montgomery |
| 2018 | The Conners TV | David Healy (4 ep) |
| 2018 | SciJinks TV | Self - Host (8 ep) |
| 2018 | The Cleanse Film | Paul Berger |
| 2017 | Rings Film | Gabriel Brown |
| 2016 | Must See TV: An All Star Tribute to James Burrows Film | Self |
| 2015 | The Late Show with Stephen Colbert TV | Self - Guest (1 ep) |
| 2015 | Lip Sync Battle TV | Self (1 ep) |
| 2013 | CBGB Film | Terry Ork |
| 2011 | In Time Film | Borel |
| 2010 | Conan TV | Self, Self - Guest (1 ep) |
| 2010 | The Talk TV | Self (1 ep) |
| 2009 | Table for Three Film | Ted |
| 2008 | Hancock Film | Jeremy |
| 2007 | The Big Bang Theory TV | Leonard Hofstadter (279 ep) |
| 2007 | Boulevard of Broken Dreams TV | Self (archive footage) (1 ep) |
| 2005 | My Name Is Earl TV | Scott (1 ep) |
| 2005 | American Dad! TV | Arnie (voice) (1 ep) |
| 2005 | Happy Endings Film | Miles (uncredited) |
| 2005 | The Late Late Show with Craig Ferguson TV | Self (1 ep) |
| 2004 | LAX TV | Leland Pressman (1 ep) |
| 2004 | Entourage TV | Johnny Galecki (3 ep) |
| 2004 | Chrystal Film | Barry |
| 2003 | Hope & Faith TV | Jay (3 ep) |
| 2003 | The Ellen DeGeneres Show TV | Self (1 ep) |
| 2003 | Bookies Film | Jude |
| 2001 | Vanilla Sky Film | Peter Brown |
| 2001 | Morgan's Ferry Film | Darcy |
| 2000 | Bounce Film | Seth |
| 2000 | Playing Mona Lisa Film | Arthur |
| 1999 | The Norm Show TV | Dale Stackhouse (2 ep) |
| 1999 | Family Guy TV | Leonard Hofstadter (voice) (1 ep) |
| 1999 | Batman Beyond TV | Knux (voice) (1 ep) |
| 1998 | The Opposite of Sex Film | Jason Bock |
| 1997 | I Know What You Did Last Summer Film | Max Neurick |
| 1997 | Suicide Kings Film | Ira Reder |
| 1997 | Bean Film | Stingo Wheelie |
| 1996 | Murder at My Door Film | Teddy McNair |
| 1994 | Without Consent Film | Marty |
| 1993 | Sudden Fury Film | Daniel Hannigan |
| 1992 | Billy TV | David MacGregor (13 ep) |
| 1991 | Civil Wars TV | Greg Stolbach (1 ep) |
| 1991 | Backfield in Motion Film | Tim Seavers |
| 1990 | In Defense of a Married Man Film | Eric |
| 1990 | American Dreamer TV | Danny Nash (17 ep) |
| 1990 | Blossom TV | Jason (1 ep) |
| 1990 | Blind Faith TV | John Marshall (2 ep) |
| 1989 | National Lampoon's Christmas Vacation Film | Rusty Griswold |
| 1989 | Prancer Film | Billy Quinn |
| 1989 | Hardball TV | (1 ep) |
| 1988 | Roseanne TV | David Healy (92 ep) |
| 1988 | A Night in the Life of Jimmy Reardon Film | Toby Reardon |
| 1987 | Murder Ordained Film | Doug Rule |
| 1981 | Entertainment Tonight TV | Self (2 ep) |
| 1975 | People's Choice Awards TV | Self - Presenter (1 ep) |
Crew credits 2
| Year | Title | Job |
|---|---|---|
| 2018 | SciJinks TV | Executive Producer (8 ep) |
| 2018 | The Cleanse Film | Producer |