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.
tvStars in the House
as Self · 2020 · 0.0
tvThe Conners
as David Healy · 2018 · 7.0
tvSciJinks
as Self - Host · 2018 · 0.0
tvThe Late Show with Stephen Colbert
as Self - Guest · 2015 · 6.1
tvLip Sync Battle
as Self · 2015 · 6.4
tvConan
as Self · 2010 · 7.2
tvConan
as Self - Guest · 2010 · 7.2
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
tvThe Late Late Show with Craig Ferguson
as Self · 2005 · 6.8
tvLAX
as Leland Pressman · 2004 · 7.3
tvEntourage
as Johnny Galecki · 2004 · 7.4
tvHope & Faith
as Jay · 2003 · 5.4
tvThe Ellen DeGeneres Show
as Self · 2003 · 5.6
tvThe Norm Show
as Dale Stackhouse · 1999 · 7.1
tvFamily Guy
as Leonard Hofstadter (voice) · 1999 · 7.4
tvBatman Beyond
as Knux (voice) · 1999 · 8.2
tvBilly
as David MacGregor · 1992 · 7.0
tvCivil Wars
as Greg Stolbach · 1991 · 4.5
tvAmerican Dreamer
as Danny Nash · 1990 · 5.3
tvBlossom
as Jason · 1990 · 6.2
tvBlind Faith
as John Marshall · 1990 · 6.4