The Big Bang Theory
2006
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John Mark Galecki (born April 30, 1975) 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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Feb 8, 2024 · The Big Bang Theory star revealed his secret wedding and newborn daughter in Architectural Digest. He also shared a glimpse of his son Avery and his Nashville mansion.
- Anthony Dominic
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.
Jan 3, 2020 · Find out what the actor is doing now that his hit comedy series has ended, from reprising his role on The Conners to producing a new show. Learn about his personal projects, his fondness for his former co-stars, and his future plans.
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.
