About
Became known for his role as Leonard Hofstadter on the CBS sitcom The Big Bang Theory and as David Healy on hit sitcom Roseanne.
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.
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.
Family Life
He began dating actress Kelli Garner in 2011, but the couple split in 2014. In 2018, he began dating Alaina Meyer. They welcomed a son named Avery in December 2019.
Associated With
He dated his Big Bang Theory co-star and love interest, Kaley Cuoco, for two years while on the show.