Spencer Tracy

as Karl Decker

Hedy Lamarr

as Georgi Gragore

Verree Teasdale

as Madame Marcesca

Kent Taylor

as Phil Mayberry

Laraine Day

as Linda Rodgers

Mona Barrie

as Sandra Mayberry

Jack Carson

as Joe

Paul Cavanagh

as Bill Rodgers

Louis Calhern

as Dr. Martin Sumner Duveen

Frances Drake

as Lola Estermont

Marjorie Main

as Gertie

George E. Stone

as Sid

Willie Best

as Sambo

Don Castle

as Ted Fenton

Dalies Frantz

as Joe Barnes

Reed Hadley

as Bob Hampton

Lowden Adams

as Phil's Butler (uncredited)

King Baggot

as Man in Subway (uncredited)

Polly Bailey

as Mrs. Glutz - Woman in Clinic (uncredited)

Arthur Belasco

as Minor Role (uncredited)

Leon Belasco

as Pancho (uncredited)

Joe Bordeaux

as Man in Clinic (uncredited)

Ralph Brooks

as Night Club Dance Extra (uncredited)

Charles D. Brown

as Police Lieutenant (uncredited)

Jack Chefe

as Waiter (uncredited)

David Clyde

as Ship Steward (uncredited)

Tom Collins

as Intern Harry (uncredited)

Nell Craig

as Nurse on Ship (uncredited)

Richard Cramer

as Man with Packages in Subway (uncredited)

Rosina Galli

as Clinic Woman Who Lost Her Baby (uncredited)

Jack Gardner

as Taxi Driver (uncredited)

George Humbert

as Tony - Pushcart Vendor and Clinic Supporter (uncredited)

Clarke Jennings

as Reynolds - Rodgers' Chauffeur (uncredited)

Edward Keane

as Dr. Harrison (uncredited)

Jack Kenney

as Clinic Well-Wisher with Cigar (uncredited)

Peggy Leon

as Martha - Georgi's Maid (uncredited)

Joe Levine

as Big Boy (uncredited)

Jimmie Lucas

as Taxi Driver (uncredited)

Matt McHugh

as Mike Fescue - Man in Clinic (uncredited)

Esther Michelson

as Woman in Clinic (uncredited)

Rhea Mitchell

as Decker's Secretary (uncredited)

Natalie Moorhead

as May - Saleslady (uncredited)

Albert Petit

as Waiter (uncredited)

Lee Phelps

as Policeman (uncredited)

Cyril Ring

as Night Club Extra (uncredited)

Ronald R. Rondell

as Night Club Extra (uncredited)

Syd Saylor

as First Taxi Driver (uncredited)

John Sheehan

as Clinic Patient with Good Blood Pressure (uncredited)

John Shelton

as Intern Steve (uncredited)

Florence Shirley

as Mrs. Leila Bettincourt (uncredited)

Napoleon Simpson

as Thompson - a Doorman (uncredited)

Rafael Alcayde

as Raoul Cedro (uncredited)

Charles Trowbridge

as Dr. Morris (uncredited)

Gayne Whitman

as Dr. Phelps (uncredited)

Florence Wix

as Mrs. Winterhalter (uncredited)

Sally Martin

as Sid’s Daughter (uncredited)