The Big Bang Theory
2006
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John Mark Galecki (born April 30, 1975) [1] is an American actor. He played Leonard Hofstadter in the CBS sitcom The Big Bang Theory (2007–2019) for which he received a Primetime Emmy Award nomination, and David Healy in the ABC sitcoms Roseanne (1992–1997; 2018) and The Conners (2018–2019).
IMDb profile of Johnny Galecki, an American actor, producer and writer. Learn about his early life, career, roles, awards and personal life.
- January 1, 1
- 1.65 m
- Bree, Flanders, Belgium
Learn about the life and career of Johnny Galecki, a Belgian-born American actor who starred in Roseanne, The Big Bang Theory and other movies and shows. Find out his age, height, family, hobbies, awards and trivia.
- April 30, 1975
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May 27, 2021 · Learn how Johnny Galecki went from playing Rusty Griswold in Christmas Vacation to Leonard Hofstadter in The Big Bang Theory, with stops at Roseanne, Broadway, and more. Discover his early roles, his breakthrough roles, and his challenges and achievements along the way.
May 23, 2024 · The Conners EPs are hopeful that several Roseanne cast members will return in final season, such as Johnny Galecki's David and Michael Fishman's DJ.
Learn about Johnny Galecki, a Belgian-born American actor who starred in Roseanne, Christmas Vacation, and The Big Bang Theory. See his full list of credits, awards, and upcoming projects on The Movie Database.
May 23, 2024 · The Conners producers weigh in on the possibility of Johnny Galecki and Michael Fishman reprising their original roles again. They originated characters on Roseanne, the sitcom which the new show directly follows, with Fishman playing eldest son D.J. Conner from episode 2 of Roseanne through season 4 of the sequel and Galecki playing David Healy, with whom D.J.'s older sister Darlene (Sara ...
