Rod Taylor

Peter McDermott

Catherine Spaak

Jeanne Rochefort

Karl Malden

Keycase Milne

Melvyn Douglas

Warren Trent

Merle Oberon

The Duchess Caroline

Richard Conte

Detective Dupere

Michael Rennie

Geoffrey - Duke of Lanbourne

Kevin McCarthy

Curtis O'Keefe

Carmen McRae

Christine

Alfred Ryder

Capt. Yolles

Roy Roberts

Bailey

Al Checco

Herbie Chandler

Sheila Bromley

Mrs. Grandin

Harry Hickox

Sam

William Lanteau

Mason

Ken Lynch

Joe Laswell

Clinton Sundberg

Lawrence Morgan

Tol Avery

Kilbrick

Davis Roberts

Dr. Elmo Adams

George Boyce

Bellhop

Charles Alvin Bell

Vickery

Robert Goodwin

Henry

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)

Ivan Bonar

Silverstein (uncredited)

Wilma Francis

Woman at Airport

Dee Carroll

Mother (uncredited)