Skip to content

CRITERIAA Criterion Channel Companion

Home Search Collections Closet Lists

CRITERIA

A Criterion Channel Companion

© 2026 Criteria. Not affiliated with The Criterion Collection.

Johnny Galecki

Johnny Galecki

April 30, 1975

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.

Poster for Vanilla Sky

Vanilla Sky

2001

Poster for I Know What You Did Last Summer

I Know What You Did Last Summer

1997

Johnny Galecki | Criteria