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.
- Actor, Producer, Writer
- April 30, 1975
- 1 min
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 height, family, hobbies, awards and trivia.
- April 30, 1975
Now that Johnny Galecki has (mostly) left Hollywood behind, it's easy to forget that he was one of the biggest TV stars around for twelve years. In fact, he was named the second-highest paid ...
May 27, 2021 · Learn how the actor Johnny Galecki from "Roseanne" and "The Big Bang Theory" evolved from a child star to a versatile and successful actor in comedy and drama. Discover his early roles, his Broadway debut, his filmography, and his personal life.
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Nov 22, 2023 · Learn about the life and career of Johnny Galecki, the actor who played David Healy on "Roseanne" and Leonard Hofstadter on "The Big Bang Theory". Find out how he started as a child actor in Chicago, how he met John Goodman, and how he quit school in the eighth grade.
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...
