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TMDB·v3.0

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Johnny Galecki portrait

Johnny Galecki

Acting

April 30, 1975 (51)

Bree, Belgium

31 movies

5.5 avg

3

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.

Best Performances

Highest rated appearances

A Dog's Journey

A Dog's Journey

as Henry Montgomery

National Lampoon's Christmas Vacation

National Lampoon's Christmas Vacation

as Rusty Griswold

In Time

In Time

Filmography

2020s

2 films

I'm Chevy Chase and You're Not

I'm Chevy Chase and You're Not

as Self

The Little Dog Laughed

The Little Dog Laughed

as Alex

2010s

7 films

Unraveling the Mystery: A Big Bang Farewell

Unraveling the Mystery: A Big Bang Farewell

as Self - Host

A Dog's Journey

Johnny Galecki | PopcornPlay

as Borel

Vanilla Sky

Vanilla Sky

as Peter Brown

Suicide Kings

Suicide Kings

as Ira Reder

A Dog's Journey

as Henry Montgomery

2019

8.0

The Cleanse

The Cleanse

as Paul Berger

Rings

Rings

as Gabriel Brown

Must See TV: An All Star Tribute to James Burrows

Must See TV: An All Star Tribute to James Burrows

as Self

CBGB

CBGB

as Terry Ork

In Time

In Time

as Borel

2000s

9 films

Table for Three

Table for Three

as Ted

Hancock

Hancock

as Jeremy

Happy Endings

Happy Endings

as Miles (uncredited)

Chrystal

Chrystal

as Barry

Bookies

Bookies

as Jude

Vanilla Sky

Vanilla Sky

as Peter Brown

Morgan's Ferry

Morgan's Ferry

as Darcy

Bounce

Bounce

as Seth

Playing Mona Lisa

Playing Mona Lisa

as Arthur

1990s

9 films

The Opposite of Sex

The Opposite of Sex

as Jason Bock

I Know What You Did Last Summer

I Know What You Did Last Summer

as Max Neurick

Suicide Kings

Suicide Kings

as Ira Reder

Bean

Bean

as Stingo Wheelie

Murder at My Door

Murder at My Door

as Teddy McNair

Without Consent

Without Consent

as Marty

Sudden Fury

Sudden Fury

as Daniel Hannigan

Backfield in Motion

Backfield in Motion

as Tim Seavers

In Defense of a Married Man

In Defense of a Married Man

as Eric

1980s

4 films

National Lampoon's Christmas Vacation

National Lampoon's Christmas Vacation

as Rusty Griswold

Prancer

Prancer

as Billy Quinn

A Night in the Life of Jimmy Reardon

A Night in the Life of Jimmy Reardon

as Toby Reardon

Murder Ordained

Murder Ordained

as Doug Rule