Became known for his role as Leonard Hofstadter on the CBS sitcom The Big Bang Theory and as David Healy on hit sitcom Roseanne.
Before Fame
He was raised by a marriage councilor mother and a rehabilitation instructor father and made his acting debut at age 12 in the 1987 mini-series Murder Ordained.
Trivia
He appeared as Rusty Griswold in the 1989 film National Lampoon's Christmas Vacation and, in 2011, he made a guest appearance on Entourage as himself.
Family Life
He began dating actress Kelli Garner in 2011, but the couple split in 2014. In 2018, he began dating Alaina Meyer; the two went their separate ways in late 2020. They welcomed a son named Avery in December 2019. In 2024, he revealed he had married a woman named Morgan and had a daughter together.
Associated With
He dated his Big Bang Theory co-star and love interest, Kaley Cuoco, for two years while on the show.
Video
Johnny Galecki Highlights
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