Karl Malden

Dr. Marais

Claude Dauphin

Insp. Bonnard

Patricia Medina

Jeanette

Steve Forrest

Prof. Paul Dupin

Allyn Ann McLerie

Yvonne (as Allyn McLerie)

Anthony Caruso

Jacques the One-Eyed

Veola Vonn

Arlette

Dolores Dorn

Camille

Merv Griffin

Georges Brevert

Paul Richards

Rene the Knife-thrower

Rolfe Sedan

LeBon (as Rolphe Sedan)

Erin O'Brien-Moore

Wardrobe Woman

Henry Kulky

Maurice

Abdullah Abbas

Show Spectator (uncredited)

Rico Alaniz

Gendarme (uncredited)

Fred Aldrich

Barfly (uncredited)

Monya Andre

Show Spectator (uncredited)

Larry Arnold

Gendarme (uncredited)

Richard Avonde

Vendor (uncredited)

Baynes Barron

Circus Manager (uncredited)

Max Barwyn

Concierge (uncredited)

Herman Belmonte

Gendarme (uncredited)

Joan Blair

Lodger (uncredited)

Marie Blake

Marie (uncredited)

Nan Boardman

Camille's Mother (uncredited)

Nina Borget

Tenant (uncredited)

Chet Brandenburg

Sailor (uncredited)

Paul Brinegar

Angry Accuser in Street (uncredited)

Virginia Brissac

Well-Dressed Woman in Coach (uncredited)

Buck Bucko

Murder Scene Spectator (uncredited)

Gordon Carveth

Barfly (uncredited)

Charles Cirillo

Waiter (uncredited)

Edward Colmans

Well-Dressed Man in Coach (uncredited)

Henry Corden

Detective Mignaud (uncredited)

Chuck Couch

Trampoline Artist (uncredited)

Walter Coy

Gendarme Arnot (uncredited)

Paul Cristo

Show Spectator (uncredited)

Jane Crowley

Barfly (uncredited)

George Davis

Man Who Finds Knife (uncredited)

Helen Dickson

Concierge's Wife (uncredited)

Claire Du Brey

Spectator (uncredited)

Billy Engle

Barfly (uncredited)

Joe Evans

Waiter (uncredited)

Raoul Freeman

Gendarme (uncredited)

Charles Gemora

Sultan the Gorilla (uncredited)

John Gifford

Gendarme (uncredited)

Joe Gilbert

Show Spectator (uncredited)

Dolores Graham

Apache Dancer (uncredited)

Don Graham

Apache Dancer (uncredited)

Creighton Hale

Concierge's Husband (uncredited)

Sam Harris

Show Spectator (uncredited)

Tom Hernández

Gendarme Lara (uncredited)

Mary Lou Holloway

Girl (uncredited)

Charles Horvath

Sailor #1 (uncredited)

Robert Hunter

Gendarme (uncredited)

Fred Kelsey

Crowd Spectator (uncredited)

Jack Kenny

Crowd Spectator (uncredited)

Henry Kulky

Maurice - Sailor (uncredited)

Frank Lackteen

Gendarme Chavet (uncredited)

Carl M. Leviness

Show Spectator (uncredited)

George J. Lewis

Gendarme Duval (uncredited)

Hank Mann

Coachman (uncredited)

John Marlin

Ape (uncredited)

Louis Merrill

Pedestrian (uncredited)

John Merton

Animal Keeper (uncredited)

Carl Milletaire

Artist (uncredited)

Belle Mitchell

Concierge (uncredited)

George Nardelli

Gendarme (uncredited)

Anton Northpole

Barfly (uncredited)

Artie Ortego

Barfly (uncredited)

John Parrish

Bartender (uncredited)

Leonard Penn

Gendarme Dumas (uncredited)

Paul Ravel

Vendor (uncredited)

Edna Ryan

Dancer (uncredited)

Sam Savitsky

Show Spectator (uncredited)

George Selk

Lamplighter (uncredited)

Allen D. Sewall

Pedestrian (uncredited)

Bert Stevens

Show Spectator (uncredited)

James Stone

Tenant (uncredited)

Ruth Swanson

Middle-Aged Woman (uncredited)

Jack Tesler

Coachman (uncredited)

Nick Thompson

Man (uncredited)

Louis Tomei

Albert (voice) (uncredited)

Arthur Tovey

Show Spectator (uncredited)

Tito Vuolo

Pignatelli - Tenant (uncredited)

Tom Wilson

Crowd Spectator (uncredited)

Jack Wise

Barfly (uncredited)