Johnny Galecki was already performing on stage and in front of cameras as a child. However, he became famous primarily for his role as Leonard Hofstadter in the sitcom 'The Big Bang Theory'.

Given the popularity of "Christmas Vacation," it may sound strange that Galecki only played Rusty Griswold once, but that one-and-done is all part of the series' charm.

WGN Radio’s Dave Plier celebrates the 35th anniversary of holiday film classic ‘National Lampoon’s Christmas Vacation with special guests Chevy Chase (Clark Griswold), Beverly D’Angelo (Ellen Griswold ...

Johnny Galecki wasn’t content to wait on an acting career. Born in Bree, Belgium, on April 30, 1975 to U.S. Air Force officer Richard Galecki and wife Mary Lou, the family moved to Chicago when ...

Johnny Galecki and Morgan Galecki are married, the actor revealed in an 'Architectural Digest' feature. The couple also recently welcomed a baby girl.

Johnny Galecki and Kaley Cuoco in “The Big Bang Theory.” Michael Yarish. Galecki’s Leonard married Cuoco’s Penny, with the on-screen couple tying the knot twice on the show.

Johnny Galecki is a dad!. The "Big Bang Theory" star, 44, announced the birth of his son with girlfriend Alaina Meyer on Instagram Wednesday by way of a sweet picture of the baby's tiny hands ...

Johnny Galecki, known for his work on the hit TV show "Big Bang Theory," revealed that he quietly got married to his now-wife Morgan Galecki and even welcomed their first child together.

Kaley Cuoco admits she had a "big crush" on Galecki right when they started working on the show. He says he had "zero idea." According to the oral-history book "The Big Bang Theory: The Definitive ...

Johnny Galecki. Jean Baptiste Lacroix/Getty Images. Johnny Galecki’s move to Nashville in 2020 sparked a series of life changes, including marriage and a second baby.. Galecki confirmed to ...