Clark Griswold
Ellen Griswold
Cousin Eddie
Russell 'Rusty' Griswold
Audrey Griswold
Cousin Catherine
Cousin Vicki
Himself
Marty
Siegfried
Roy
Mr Ellis
Girl at Blackjack Table
Woman in Ferrari
Cousin Ruby Sue
Cousin Denny
Mariah
Kelli
Wendy
Jilly
Preacher
Girl in Hot Tub
Casino Guest (uncredited)
Hot Pool Model (uncredited)
Tourist (uncredited)
Hotel Employee (uncredited)
Paramedic
Guess Which Hand Dealer
Riviera Bartender
Saleswoman
Flight Attendant (uncredited)