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
- The Late Show with Stephen Colbert (2015)
- Family Guy (1999)
- American Dad! (2005)
- Conan (2010)
- Conan (2010)
- The Late Late Show with Craig Ferguson (2005)
- The Ellen DeGeneres Show (2003)
- Entourage (2004)
- The Big Bang Theory (2007)
- The Talk (2010)
- My Name Is Earl (2005)
- Batman Beyond (1999)
- Stars in the House (2020)
- Lip Sync Battle (2015)
- The Conners (2018)
- Blossom (1990)
- People's Choice Awards (1975)
- Hope & Faith (2003)
- Entertainment Tonight (1981)
- In Time (2011)