Cast & creators
Johnny Galecki Movies and TV Shows
Johnny Galecki is connected to titles such as Family Guy, Entourage, The Big Bang Theory. Use Gatsby to browse this filmography and find where related movies and shows may be available to watch.
Known for Acting
Born April 30, 1975
From 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.