Kirk Douglas

Character: Mike Wayne

Alexis Smith

Character: Deidre Milford Granger

David Janssen

Character: Tom Colt

George Hamilton

Character: David Milford

Melina Mercouri

Character: Karla

Gary Conway

Character: Hugh

Brenda Vaccaro

Character: Linda

Deborah Raffin

Character: January

Lillian Randolph

Character: Mabel

Renata Vanni

Character: Maria

Mark Roberts

Character: Rheingold

John Roper

Character: Franco

Leonard Sachs

Character: Dr. Peterson

Jim Boles

Character: Scotty

Ann Marie Moelders

Character: Girl at El Morocco

Maureen McCluskey

Character: Beautiful People

Harley Farber

Character: Beautiful People

Michael Millius

Character: Beautiful People

Tony Ferrara

Character: Beautiful People

Trudy Marshall

Character: Myrna

Phil Foster

Character: Cab Driver

Eddie Garrett

Character: Maitre d' at Polo Lounge

Sig Frohlich

Character: Waiter

Kelly Lange

Character: Weather Lady

Ethelreda Leopold

Character: Club Patron (uncredited)

Tony Regan

Character: Bar Patron (uncredited)

Norman Stevans

Character: Bar Patron (uncredited)