Johnny Galecki

John Mark "Johnny" Galecki (born April 30, 1975)[1] is an American actor. He is known for playing David Healy in the ABC sitcom Roseanne from 1992–1997 and Dr. Leonard Hofstadter in the CBS sitcom The Big Bang Theory since 2007.

The latest Tweets from Johnny Galecki (@JohnnyGalecki1). Offical Johnny Galecki Twitter Page!. LA

Okay, let's give this a try. No rules. But one agreement -- if y'all promise to be kind, I promise to never post a "selfie."

Johnny Galecki, Actor: The Big Bang Theory. John Mark Galecki was born in Belgium where his dad was stationed while serving in the U.S. Air Force. When he was 3 years old, his family moved to Chicago, Illinois, where he grew up along with his sister Allison (1980) and brother Nick (1982). His father then became a teacher for blind veterans in a VA hospital outside of Chicago. When Galecki was 16, his father died in an accident. His mom, ...

John Mark Galecki was born in Bree, Belgium, to American parents; his father was stationed there while serving in the U.S. Air Force. When he was ...

Learn more about Johnny Galecki at TVGuide.com with exclusive news, full bio and filmography as well as photos, videos, and more.

'The Big Bang Theory' Star Johnny Galecki's 'By the Book' Lands Series Order at CBS

John Mark "Johnny" Galecki (born April 30, 1975) is a Belgian-born American actor. He is best...

Kaley Cuoco and her Big Bang Theory costar Johnny Galecki have remained close friends since splitting in 2010

Johnny Galecki once dated a co-star in secret! Find out who and more about the actor from Roseanne and The Big Bang Theory, at Biography.com.

With his tangle of curly, brown hair and sensitive half-smile, Johnny Galecki captured viewers hearts and perfected his comic facets over a five season (1992-1997) run on ABC's ground-breaking sitcom, Roseanne. Cast as David Healy, he made a name for himself as the soft-spoken, gentle-hearted, and most times,

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