Chevy Chase
Clark Griswold
Beverly D'Angelo
Ellen Griswold
Dana Hill
Audrey Griswold
Jason Lively
Russell 'Rusty' Griswold
Eric Idle
The Bike Rider
William Zabka
Jack
John Astin
Kent
Mel Smith
Hotel Manager
Maureen Lipman
Lady in the Bed
Robbie Coltrane
Man in the Bathroom
Paul Bartel
Mr. Froeger
Cynthia Szigeti
Mrs. Froeger
Jacques Herlin
Hotel Desk Clerk
Jacques Maury
Hotel's Assistant Manager
Willy Millowitsch
Fritz Spritz
Erika Wackernagel
Helga Spritz
Moon Unit Zappa
Rusty's California Girl
Claudia Neidig
Rusty's German Girl
Elizabeth Arlen
Mrs. Garland
Paul McDowell
1st Motorist
Ballard Berkeley
2nd Motorist
Derek Deadman
Taxi Driver
Angus MacKay
Announcer at Court
Jeannette Charles
The Queen
Peter Hugo
Prince Charles
Julie Wooldridge
Princess Diana
Malcolm Danare
The Froeger's Son