Beverly D'Angelo
Ellen Griswold
Randy Quaid
Cousin Eddie
Jerry Weintraub
Jilly
Sid Caesar
Mr Ellis
Wayne Newton
Himself
Larry Hankin
Preacher
Wallace Shawn
Marty
Miriam Flynn
Cousin Catherine
Jeffrey Donovan
Hotel Employee (uncredited)
Chevy Chase
Clark Griswold
Ethan Embry
Russell 'Rusty' Griswold
Juliette Brewer
Cousin Ruby Sue
Alana Austin
Tourist (uncredited)
Marisol Nichols
Audrey Griswold
C.C. Costigan
Kelli
Vanessa Bednar
Hot Pool Model (uncredited)
Shae D'Lyn
Cousin Vicki
Christie Brinkley
Woman in Ferrari
Corinna Harney
Girl at Blackjack Table
Siegfried Fischbacher
Siegfried
Roy Horn
Roy
Shannah Laumeister Stern
Mariah
Billie Perkins
Casino Guest (uncredited)