Tony Curtis
— Parsifal Katzanella-Boden
Berta Domínguez D.
— Elba Katzanella-Boden
Erik Estrada
— Henry Board II
Peter Lawford
— Montague Chippendale
Ron Moody
— Baron Gaspard Beersbohm
Donald Pleasence
— Mackintosh
Orson Welles
— Klingsor
Christopher Chaplin
— Ivan
Nancy Roberts
— Ruth
Vladek Sheybal
— Morjack
Ava Lazar
— Sheila
Jay Benedict
— Luke
Edward Burnham
— Trofimov
Anthony Dawson
— Ripple
Victoria Burgoyne
— Gabriella Veronica
Stuart D. Latham
— Rutovitz
David Baxt
— PR Man
Peter Poll
— Bodygyard
Sally Cranfield
— Journalist
Christina Artemis
— Grace
Pamela Trigg
— PR Assistant
Arthur Beatty
— Jasper
Harry Fielder
— Man in Street (uncredited)
Frank Jakeman
— Mafia Bodyguard (uncredited)
James Payne
— Taxi Driver (uncredited)