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

John Candy

Lasky, Guard at Walleyworld

Christie Brinkley

Girl In The Red Ferrari

Jane Krakowski

Cousin Vicki

John P. Navin Jr.

Cousin Dale

Nathan Cook

Man Giving Directions

Christopher Jackson

Pimp

Mickey Jones

Mechanic

John Diehl

Assistant Mechanic

Jeannie Dimter Barton

Dodge City Cashier

Randy Lowell

Wyatt Earp

Virgil Wyaco II

Indian

Gerry Black

Davenport

James Staley

Motel Desk Clerk

Adelaide Wilder

Car Hop

Tessa Richarde

Motel Guest

Fritz Ford

Neighbor

Eric Stacey

Neighbor

Scott Perry

Swat Leader

Dennis Freeman

Policeman

Michael Talbott

Cowboy

John Craigmile

Camel Rider

Henry Gibson

Hotel clerk (uncredited)

Harold Ramis

Car salesman (voice) (uncredited)