Doris Day as Jan Morrow

Rock Hudson as Brad Allen

Tony Randall as Jonathan Forbes

Thelma Ritter as Alma

Nick Adams as Tony Walters

Julia Meade as Marie

Allen Jenkins as Harry

Marcel Dalio as Pierot

Lee Patrick as Mrs. Walters

Mary McCarty as Nurse Resnick

Alex Gerry as Dr. A.C. Maxwell

Hayden Rorke as Mr. Conrad

Valerie Allen as Eileen

Jacqueline Beer as Yvette

Arlen Stuart as Tilda

Perry Blackwell as Perry

Robert B. Williams as Mr. Graham

Muriel Landers as Moose Taggett

William Schallert as Hotel Clerk

Karen Norris as Miss Dickenson

Lois Rayman as Jonathan's Secretary

Don Beddoe as Mr. Walters

Leoda Richards as Restaurant Patron (uncredited)

Harry Tyler as Carriage Driver

William H. O'Brien as Nightclub Waiter (uncredited)

Franklyn Farnum as Nightclub Patron (uncredited)

George Ford as Nightclub Patron (uncredited)

John Indrisano as Truck Driver Punching Jonathan (uncredited)

Joseph Mell as Furniture Dealer (uncredited)

Ron Nyman as Nightclub Patron (uncredited)

Eddie Parker as Doorman (uncredited)

Charles Seel as Antique Dealer (uncredited)