Rod Taylor
Peter McDermott
Catherine Spaak
Jeanne Rochefort
Melvyn Douglas
Warren Trent
Merle Oberon
The Duchess Caroline
Richard Conte
Detective Dupere
Michael Rennie
Geoffrey - Duke of Lanbourne
Kevin McCarthy
Curtis O'Keefe
Sheila Bromley
Mrs. Grandin
Clinton Sundberg
Lawrence Morgan
Davis Roberts
Dr. Elmo Adams
Charles Alvin Bell
Vickery
Jack Donner
Elliott (uncredited)
Lester Dorr
Cy - Elevator Operator (uncredited)
Vince Howard
Tousaint (uncredited)
Dorothy Konrad
Housekeeper (uncredited)
Judy Norton
Daughter (uncredited)
John Sebastian
Giotti (uncredited)
William Swan
Young Desk Clerk (uncredited)
Arthur Tovey
Hotel Patron (uncredited)
