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