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Johnny Galecki
Actor · 40 credits
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.
All Work
The Conners
2018
David Healy
The Big Bang Theory
2007
Leonard Hofstadter
My Name Is Earl
2005
Scott
American Dad!
2005
Arnie (voice)
LAX
2004
Leland Pressman
Entourage
2004
Johnny Galecki
The Norm Show
1999
Dale Stackhouse
Family Guy
1999
Leonard Hofstadter (voice)
Batman Beyond
1999
Knux (voice)
Billy
1992
David MacGregor
Civil Wars
1991
Greg Stolbach
American Dreamer
1990
Danny Nash
Blossom
1990
Jason
Blind Faith
1990
John Marshall
Roseanne
1988
David Healy