Johnny Galecki
Biography
Johnny Galecki is an American actor who started in the Chicago theater scene as a child and made his screen debut in the 1987 CBS miniseries Murder Ordained. He was born in Bree, Belgium, and grew up in Oak Park, Illinois. He became known for playing David Healy on Roseanne, a role he played from 1992 to 1997 and later revisited on the 2018 revival and The Conners. He also starred as Leonard Hofstadter on The Big Bang Theory from 2007 to 2019. He played Rusty Griswold in National Lampoon's Christmas Vacation. A part in In Time followed. On stage, he originated the role of Alex in The Little Dog Laughed, winning a 2007 Theater World Award. He also won a Satellite Award.
51years old
Turns 52 on April 30in 171 days
- Born Bree
- Star sign: TaurusThe sign runs April 20 to May 20
- Also credited as John Mark Galecki
Movie Career
- Films
- 23
- Career span
- 37 years1988 to 2025
Photos
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A role that slipped away
Galecki was asked to play Sheldon Cooper on The Big Bang Theory, but he thought the part of Leonard suited him better, and Jim Parsons was given the role of Sheldon.
First role
Galecki acted in Chicago theater as a small child, then landed his first onscreen role in the 1987 CBS miniseries Murder Ordained, appearing alongside JoBeth Williams and John Goodman, later his Roseanne co-star.
Johnny Galecki movies on Netflix
I'm Chevy Chase and You're Notas Himself
A Dog's Journeyas Henry
Unraveling the Mystery: A Big Bang Farewellas Self - Host
Ringsas Gabriel Brown
The Cleanseas Paul
CBGBas Terry Ork
In Timeas Borel
Table for Threeas Ted
Hancockas Jeremy
Chrystalas Barry
Bookiesas Jude
Vanilla Skyas Peter Brown
Bounceas Seth
Playing Mona Lisaas Arthur
The Opposite of Sexas Jason Bock
Beanas Stingo Wheelie
I Know What You Did Last Summeras Max Neurick
Suicide Kingsas Ira Reder
Without Consentas Marty
Backfield in Motionas Tim Seavers
National Lampoon's Christmas Vacationas Rusty
Pranceras Billy Quinn
A Night in the Life of Jimmy Reardonas Toby Reardon
Best known for
The films on Netflix they are best known for, with the part played in each.
Most often with
Don Roos directed two of these films. Six actors appear in two of them each. Pick a number on the chart or a name in the list to see the films they share.







Films together
Chevy Chase2 films together, 1989 to 2025
Chevy Chase's page I'm Chevy Chase and You're Not2025IMDb rating 6.8Galecki as HimselfChase as Himself
National Lampoon's Christmas Vacation1989IMDb rating 7.5Galecki as RustyChase as Clark
Beverly D'Angelo2 films together, 1989 to 2025
Beverly D'Angelo's page I'm Chevy Chase and You're Not2025IMDb rating 6.8Galecki as HimselfD'Angelo as Himself
National Lampoon's Christmas Vacation1989IMDb rating 7.5Galecki as RustyD'Angelo as Ellen
Kyle Gallner2 films together, 2013 to 2016
Kyle Gallner's page The Cleanse2016IMDb rating 5.1Galecki as PaulGallner as Eric
CBGB2013IMDb rating 6.6Galecki as Terry OrkGallner as Lou Reed
Jesse Bradford2 films together, 1989 to 2009
Jesse Bradford's page Table for Three2009IMDb rating 5.4Galecki as TedBradford as Ryan
Prancer1989IMDb rating 6.5Galecki as Billy QuinnBradford as Boy #1
Estelle Harris2 films together, 2000 to 2013
Estelle Harris's page CBGB2013IMDb rating 6.6Galecki as Terry OrkHarris as Bertha Kristal
Playing Mona Lisa2000IMDb rating 5.7Galecki as ArthurHarris as Aunt Velva
Ivan Sergei2 films together, 1998 to 2000
Ivan Sergei's page Playing Mona Lisa2000IMDb rating 5.7Galecki as ArthurSergei as Eddie…
The Opposite of Sex1998IMDb rating 6.4Galecki as Jason BockSergei as Matt Mateo
Don RoosDirector, 2 films, 1998 to 2000
All films by Don Roos Bounce2000IMDb rating 5.8Galecki as Seth
The Opposite of Sex1998IMDb rating 6.4Galecki as Jason Bock
Box office
What Johnny Galecki's films earned in cinemas worldwide.
Combined worldwide box office
$1.7 billion
12 of the 23 films have a worldwide figure.
Of the 23 films: 12 worldwide figure; 3 us gross only; 6 never in cinemas; 2 figure not found.
- 12Worldwide figure
- 3US gross only
- 6Never in cinemas
- 2Figure not found
Top grosser

Highest grossing
The eight biggest films earned 97% of the total. The bars are drawn to scale.
- 1$629M37.7% of the total
- 2$251M15.1% of the total
- 3$203M12.2% of the total
- 4$174M10.4% of the total
- 5$126M7.5% of the total
- 6$83M5.0% of the total
- 7$79M4.7% of the total
- 8$75M4.5% of the total
Awards
One award and honor.
| Year | Award | Film | Result |
|---|---|---|---|
| Other honors | |||
| 2007 | Theatre World Award | Won | |
Online
Official profiles and reference pages.













