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

I Know What You Did Last ...

Max Neurick

In Time

Borel

Hancock

Jeremy

National Lampoon's Christ...

Russell 'Rusty' Griswold

A Dog's Journey

Henry Montgomery

Vanilla Sky

Peter Brown

Bean

Stingo Wheelie

Suicide Kings

Ira Reder

A Night in the Life of Ji...

Toby Reardon

Rings

Gabriel Brown