Rock Hudson

Paul Chadwick

Leslie Caron

Dr. Lauren Boullard

Charles Boyer

Michel Boullard

Walter Slezak

Etienne

Dick Shawn

Arnold Plum

Larry Storch

Harry the Taxi Driver

Nita Talbot

Mickey the Switchboard Operator

Norma Varden

Mother Plum

George Furth

Pete

Marcel Hillaire

Claude

Jay Novello

Rene

Stafford Repp

Bartender

Frank De Vol

Desk Clerk

John Harding

Dr. Lambert

Lillian Adams

Therapy Group Member (uncredited)

Don Beddoe

Mr. Calvin Ruthledge (uncredited)

Helen Brown

Mrs. Ruthledge (uncredited)

Paul Bryar

Mac (Hotel Doorman) (uncredited)

George Cisar

Conventioneer at Hotel (uncredited)

Jesslyn Fax

Miss Feeny (uncredited)

Gil Frye

Bartender (uncredited)

Sam Harris

Conventioneer at Hotel (uncredited)

Tom Hatten

Therapy Group Member (uncredited)

Allen Joseph

Therapy Group Member (uncredited)

Kenner G. Kemp

Bar Patron (uncredited)

Frank Kreig

Man with Cigar (uncredited)

Syl Lamont

Therapy Group Member (uncredited)

Irene Martin

Sandra (uncredited)

Alvy Moore

Ralph (uncredited)

Beverly Randolph

Baby Chadwick (uncredited)

Patty Regan

Helen (uncredited)

Jeffrey Sayre

Restaurant Patron / Bar Patron (uncredited)

Bert Stevens

Restaurant Patron / Theatregoer (uncredited)

Arthur Tovey

Conventioneer at Hotel (uncredited)

Kim Williams

Baby Chadwick (uncredited)