Johnny Galecki
Acting
1975-04-30 · Bree, Belgium
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.
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tvThe Late Show with Stephen Colbert
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tvConan
as Self · 2010 · 7.2
tvConan
as Self - Guest · 2010 · 7.2
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as Ted · 2009 · 4.7
movieHancock
as Jeremy · 2008 · 6.4
tvThe Big Bang Theory
as Leonard Hofstadter · 2007 · 7.9
tvBoulevard of Broken Dreams
as Self (archive footage) · 2007 · 3.0
tvMy Name Is Earl
as Scott · 2005 · 7.7
tvAmerican Dad!
as Arnie (voice) · 2005 · 7.0
movieHappy Endings
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tvThe Late Late Show with Craig Ferguson
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