Johnny Galecki
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Johnny Galecki is a Belgian-born American actor, best known for his roles as David Healy in Roseanne, Rusty Griswold in National Lampoon's Christmas Vacation, and as Leonard Hofstadter in The Big Bang Theory.
Known for
Credits
In Time (2011)
as Borel
National Lampoon's Christmas Vacation (1989)
as Rusty Griswold
Vanilla Sky (2001)
as Peter Brown
Hancock (2008)
as Jeremy
A Dog's Journey (2019)
as Henry Montgomery
I Know What You Did Last Summer (1997)
as Max Neurick
Bean (1997)
as Stingo Wheelie
Rings (2017)
as Gabriel Brown
The Opposite of Sex (1998)
as Jason Bock
I'm Chevy Chase and You're Not (2025)
as Self
Suicide Kings (1997)
as Ira Reder
Happy Endings (2005)
as Miles (uncredited)
Bounce (2000)
as Seth
A Night in the Life of Jimmy Reardon (1988)
as Toby Reardon
Prancer (1989)
as Billy Quinn
Must See TV: An All Star Tribute to James Burrows (2016)
as Self
The Cleanse (2018)
as Paul Berger
Murder at My Door (1996)
as Teddy McNair
Sudden Fury (1993)
as Daniel Hannigan
CBGB (2013)
as Terry Ork
In Defense of a Married Man (1990)
as Eric
Murder Ordained (1987)
as Doug Rule
Table for Three (2009)
as Ted
Playing Mona Lisa (2000)
as Arthur
Bookies (2003)
as Jude
Unraveling the Mystery: A Big Bang Farewell (2019)
as Self - Host
Chrystal (2004)
as Barry
The Little Dog Laughed (2020)
as Alex
Without Consent (1994)
as Marty
Morgan's Ferry (2001)
as Darcy
Backfield in Motion (1991)
as Tim Seavers