Chevy Chase character Clark Griswold
Beverly D'Angelo character Ellen Griswold
Imogene Coca character Aunt Edna
Randy Quaid character Cousin Eddie
Anthony Michael Hall character Rusty Griswold
Dana Barron character Audrey Griswold
Eddie Bracken character Roy Walley
Brian Doyle-Murray character Kamp Komfort Clerk
Miriam Flynn character Cousin Catherine
James Keach character Motorcycle Cop
Eugene Levy character Car Salesman
Frank McRae character Grover
John Candy character Lasky, Guard at Walleyworld
Christie Brinkley character Girl In The Red Ferrari
Jane Krakowski character Cousin Vicki
John P. Navin, Jr. character Cousin Dale
Nathan Cook character Man Giving Directions
Christopher Jackson character Pimp
Mickey Jones character Mechanic
John Diehl character Assistant Mechanic
Jeannie Dimter Barton character Dodge City Cashier
Randy Lowell character Wyatt Earp
Virgil Wyaco II character Indian
Gerry Black character Davenport
James Staley character Motel Desk Clerk
Adelaide Wilder character Car Hop
Tessa Richarde character Motel Guest
Fritz Ford character Neighbor
Eric Stacey character Neighbor
Scott Perry character Swat Leader
Dennis Freeman character Policeman
Michael Talbott character Cowboy
John Craigmile character Camel Rider
Henry Gibson character Hotel clerk (uncredited)
Harold Ramis character Car salesman (voice) (uncredited)