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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
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.
Feb 8, 2024 · The Big Bang Theory actor revealed his secret wedding and newborn daughter in Architectural Digest. He also shared photos of his Nashville mansion and his son Avery on Instagram.
Oct 3, 2022 · Exclusive: When The Big Bang Theory’s Kaley Cuoco and Johnny Galecki Fell in Love. The stars tell all about their relationship off-camera and on in an excerpt from a rich new oral history now in...