Richard Crenna
— Mike Warden
Anne Heywood
— Sylvia Giroux
Fred Astaire
— John Pedley
Ralph Richardson
— Lord Henshaw
Cesar Romero
— Carlo Dodero
Adolfo Celi
— General Ferranti
Maurice Denham
— Charles Crittenden
John Le Mesurier
— Wells
Jacques Sernas
— Paul Giroux
Karl-Otto Alberty
— Mark Dietrich
George Hartmann
— Anton Pfeiffer
Carolyn De Fonseca
— Ingeborg Pfeiffer
Aldo Bufi Landi
— Carabinieri
Stanley Baugh
— Pilot
Fred Astaire Jr.
— Co-Pilot
Bruce Beeby
— Gordon
Robert Henderson
— The Dean
Roddy McDowall
— Wister