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.

Johnny Galecki has built a filmography of 14 credits over a career spanning from 1988 to 2019.

Johnny Galecki's most notable role to date came in The Big Bang Theory (2007), where he played Leonard Hofstadter. He also appeared in In Time (2011) as Borel. Most recently appeared in Hancock (2008) as Jeremy.

Fans wanting to catch up on Johnny Galecki's work can find exactly where his shows and movies are streaming below — and TV Butler Pro makes it effortless to keep track of them all. Just search the title, and Butler finds it instantly, tells you which service has it, and remembers what you've already watched.