
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.

Stingo Wheelie
Bean

Max Neurick
I Know What You Did Last Summer

Rusty Griswold
National Lampoon's Christmas Vacation

Jeremy
Hancock

Jason Bock
The Opposite of Sex

Jude
Bookies

Toby Reardon
A Night in the Life of Jimmy Reardon

Borel
In Time

Darcy
Morgan's Ferry

Arthur
Playing Mona Lisa

Terry Ork
CBGB

Teddy McNair
Murder at My Door

Peter Brown
Vanilla Sky

Daniel Hannigan
Sudden Fury

Tim Seavers
Backfield in Motion

Paul Berger
The Cleanse

Seth
Bounce

Gabriel Brown
Rings

Doug Rule
Murder Ordained

Self
Must See TV: An All Star Tribute to James Burrows

Marty
Without Consent

Ira Reder
Suicide Kings

Billy Quinn
Prancer

Miles (uncredited)
Happy Endings

Barry
Chrystal

Eric
In Defense of a Married Man

Alex
The Little Dog Laughed

Henry Montgomery
A Dog's Journey

Ted
Table for Three

Self - Host
Unraveling The Mystery: A Big Bang Farewell

Self
I'm Chevy Chase and You're Not
Known For
Acting
Known Credits
31
Gender
Male
Birthday
1975-04-30
Place of Birth
Bree, Belgium
Also Known As
Џони Галецки