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Johnny Galecki

Johnny Galecki

Actor · Born April 30, 1975 · Bree, Belgium

IMDb

Highest rated as cast or director

Biography

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.

Acted in 45

2020s

  1. 2020

    The Little Dog Laughed

    Alex

Produced 2

2010s

  1. 2018

    SciJinks

    Executive Producer

  2. The Cleanse

    Producer

    58
Appearances13

2010s

  1. 2019

    Unraveling the Mystery: A Big Bang Farewell

    Self - Host

  2. 2018

    SciJinks

    Self - Host · 8 episodes

  3. 2016

    Must See TV: An All Star Tribute to James Burrows

    Self

  4. 2015

    The Late Show with Stephen Colbert

    Self - Guest · 1 episode

    69

  5. Lip Sync Battle

    Self · 1 episode

    70
  6. 2010

    Conan

    Self, Self - Guest · 1 episode

    79

  7. The Talk

    Self · 1 episode

    31