Doris Day as Isolde Poole

Richard Widmark as August 'Augie' Poole

Gig Young as Dick Pepper

Gia Scala as Estelle Novick

Elisabeth Fraser as Alice Pepper

Elizabeth Wilson as Miss MacCracken

Vikki Dougan as Gladys Dunne, actress

Doodles Weaver as Escort

Charles Wagenheim as Day Motel Man

Robert B. Williams as Night Motel Man (as Robert Williams)

Richard Bartell as Bartender (uncredited)

Steve Carruthers as Party Guest (uncredited)

Franklyn Farnum as Party Guest (uncredited)

Sam Harris as Party Guest (uncredited)

Kenner G. Kemp as Party Guest (uncredited)

Donald Kerr as Cab Driver (uncredited)

Richard LaMarr as Waiter (uncredited)

Robert Locke Lorraine as Party Guest (uncredited)

Sid Melton as Truck Driver (uncredited)

George Nardelli as Waiter (uncredited)

Howard Negley as Dr. Vancouver (uncredited)

Monty O'Grady as Party Guest (uncredited)

Murray Pollack as Party Guest (uncredited)

Paul Power as Party Guest (uncredited)

Cosmo Sardo as Party Guest (uncredited)

Jeffrey Sayre as Party Guest (uncredited)

Norman Stevans as Party Guest (uncredited)