Johnny Galecki
Johnny Galecki
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.
Known For
Actor
as Alex
as Self
as Henry Montgomery
as Paul Berger
as David Healy
as Himself - Host
as Gabriel Brown
as Self
as Terry Ork
as Borel
as Self
as Ted
as Jeremy
as Leonard Hofstadter
as (archive footage)
as Miles (uncredited)
as Scott
as Arnie (voice)
as Barry
as Leland Pressman
as Jude
as Jay
as Peter Brown
as Darcy
as Seth
as Arthur
as Leonard Hofstadter (voice)
as Knux (voice)
as Jason Bock
as Max Neurick
as Ira Reder
as Stingo Wheelie
as Teddy McNair
as Marty
as Daniel Hannigan
as David MacGregor
as Tim Seavers
as Greg Stolbach
as Eric
as Danny Nash
as Jason
as John Marshall
as Russell 'Rusty' Griswold
as Billy Quinn
as Toby Reardon
as David Healy
as Doug Rule
as Self
Producer
as Producer
as Executive Producer