Cast
Peter Sellers
Rudolf IV/Rudolf V/Sidney Frewin
Stuart Wilson
Rupert
Lynne Frederick
Princess Flavia
Elke Sommer
Countess Montparnasse
Gregory Sierra
Count Montparnasse
Catherine Schell
Mauban
Jeremy Kemp
Duke Michael
John Laurie
Archbishop
Ian Abercrombie
Johann
Simon Williams
Lionel Jeffries
Colonel Zapt
Michael Balfour
Graham Stark
Michael Segal
Arthur Howard
Norman Rossington
Brendan Dillon
Joseph (uncredited)
Crew
Arthur Ibbetson
Director of Photography
Henry Mancini
Original Music Composer
Anthony Hope
Novel
Ian La Frenais
Screenplay
Richard Quine
Director
Dick Clement
Screenplay
Walter Mirisch
Executive Producer
Byron 'Buzz' Brandt
Editor
Herwig Libowitzky
Art Direction
Joe Chevalier
Set Decoration
Lesley De Pettit
Casting
John J. Lloyd
Production Design
Marc E. Meyer Jr.
Set Decoration
Sue Yelland
Costume Design
David Tomblin
Second Unit Director
