John Galecki as Leonard Hofstadter
John Galecki was born in Bree, Belgium, on April 30, 1975, and was best known for his part in The Big Bang Theory, as the nerdy physicist named Leonard Hofstadter. John Galecki was also known for his part as Roseann’s timid David Healy and the 42-year – old cellist reappeared as Healy in his eight-episode mini-series role. Even if it only appeared in a single episode, it was enough to interest Roseanne fans. John Galecki was on A Dog’s Journey as well.
John Galecki As Leonard Hofstadter