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John Mark "Johnny" Galecki (born April 30, 1975) is an Belgian-born American actor. Galecki is best known for playing the role of David Healy on Roseanne and Leonard Hofstadter on The Big Bang Theory.
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).
Jan 3, 2020 · Johnny Galecki became one of television 's most successful stars thanks to his role on The Big Bang Theory. But now that the long-running comedy has wrapped up and fans have laughed along...
May 27, 2021 · While most famous for his role as Leonard on The Big Bang Theory, Johnny Galecki has had several other memorable roles since his days as a child star.
Johnny Galecki is a Belgian-born American actor, best known for his roles as David Healy in Roseanne, Rusty Griswold in National Lampoon's Christmas Vacation, and as Leonard Hofstadter in The Big Bang Theory.
Galecki is best known to television audiences as David on the long-running and critically-acclaimed comedy series Roseanne, for which he earned a Young Artist Award. His additional television credits include the TBS comedy My Boys , My Name is Earl and HBO’s Entourage.
Apr 30, 1975 · Johnny Galecki is a Belgian-born American actor, best known for his roles as David Healy in Roseanne, Rusty Griswold in National Lampoon's Christmas Vacation, and as Leonard Hofstadter in The Big...
