Chevy Chase

Clark Griswold

Beverly D'Angelo

Ellen Griswold

Anthony Michael Hall

Rusty Griswold

Imogene Coca

Aunt Edna

Randy Quaid

Cousin Eddie

Dana Barron

Audrey Griswold

Eddie Bracken

Roy Walley

Brian Doyle-Murray

Kamp Komfort Clerk

Miriam Flynn

Cousin Catherine

James Keach

Motorcycle Cop

Eugene Levy

Car Salesman

Frank McRae

Grover