Johnny Galecki
John Mark Galecki is an American actor. In television, he played Leonard Hofstadter on The Big Bang Theory (2007–2019) and David Healy in Roseanne and The Conners (2018–2019). Galecki also appeared in the films Prancer (1989), National Lampoon's Christmas Vacation (1989), Suicide Kings (1997), I Know What You Did Last Summer (1997), Bookies (2003), In Time (2011), and Rings (2017).
Wikipedia
Frequent Collaborators
🎬 Movies
I'm Chevy Chase and You're Not
actor
2025
A Dog's Journey
actor
2019
Rings
actor
2017
Must See TV: An All Star Tribute to James Burrows
actor
2016
CBGB
actor
2013
In Time
actor
2011
Hancock
actor
2008
Chrystal
actor
2004
Bookies
actor
2003
Vanilla Sky
actor
2001
Bounce
actor
2000
Playing Mona Lisa
actor
2000
The Opposite of Sex
actor
1998
I Know What You Did Last Summer
actor
1997
Suicide Kings
actor
1997
Murder at My Door
actor
1996
Sudden Fury
actor
1993
Backfield in Motion
actor
1991
National Lampoon's Christmas Vacation
actor
1989
Prancer
actor
1989
A Night in the Life of Jimmy Reardon
actor
1988
Murder Ordained
actor
1987
