Johnny Galecki

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.

14 TV shows

TV Shows

Family Guy poster
Likely Renewed82%

Family Guy

FOX

American Dad! poster
Likely Renewed72%

American Dad!

FOX

The Late Show with Stephen Colbert poster
Ended0%

The Late Show with Stephen Colbert

CBS

Conan poster
Ended0%

Conan

TBS

The Big Bang Theory poster
Ended0%

The Big Bang Theory

CBS

Entourage poster
Ended0%

Entourage

HBO

The Late Late Show with Craig Ferguson poster
Ended0%

The Late Late Show with Craig Ferguson

CBS

My Name Is Earl poster
Cancelled0%

My Name Is Earl

NBC

The Ellen DeGeneres Show poster
Ended0%

The Ellen DeGeneres Show

Syndication

The Conners poster
Ended

The Conners

ABC

Blossom poster
Ended

Blossom

NBC

Lip Sync Battle poster
Cancelled

Lip Sync Battle

Spike

Hope & Faith poster
Ended

Hope & Faith

ABC

Stars in the House poster
Returning

Stars in the House

Network unknown

Other Credits

American Dreamer, Batman Beyond, Roseanne, Billy, LAX, Hardball, Civil Wars, Blind Faith, Boulevard of Broken Dreams, SciJinks, Entertainment Tonight, The Norm Show, People's Choice Awards, Peep Show