Clark Griswold
Ellen Griswold
Aunt Edna
Cousin Eddie
Rusty Griswold
Audrey Griswold
Roy Walley
Kamp Komfort Clerk
Cousin Catherine
Motorcycle Cop
Car Salesman
Grover
Lasky - Guard at Walleyworld
The Girl in the Ferrari
Cousin Vicki
Cousin Dale (as John Navin)
Man Giving Directions
Pimp
Mechanic
Assistant Mechanic
Dodge City Cashier
Wyatt Earp (as Randolph Dreyfuss)
Indian
Davenport
Motel Desk Clerk
Car Hop
Motel Guest
Neighbor
Neighbor (as Eric Stacey Jr.)
Swat Leader
Policeman
Cowboy (as Michael Talbot)
Camel Rider
Dinky (uncredited)
Hotel Clerk (uncredited)
Police Officer (uncredited)
Pedestrian With Grocery Bags (uncredited)
Car Salesman (voice) (uncredited)
Daisy Mabel (uncredited)
Bar Piano Player (uncredited)