David Talbot

William Powell

Henri Sarrou

Basil Rathbone

Lucienne Talbot

Hedy Lamarr

Michelle Allaine

Claire Trevor

Dr. Andre Tessier

Felix Bressart

Madame Pelletier

Margaret Wycherly

Dr. Alex Dubroc

Sig Ruman

Concierge

Reginald Owen

Prosecuting Attorney

H.B. Warner

Commissionaire of Police

Philip Merivale

Associate Judge (uncredited)

Enrique Acosta

Carlos Le Duc (uncredited)

Vladimir Sokoloff

Giant Policeman (uncredited)

Francis X. Bushman Jr.

President of Court

Guy Bates Post

Defense Attorney (uncredited)

Frank Conroy

Foreign Minister Deval (uncredited)

Fritz Leiber

Reporter (uncredited)

Gibson Gowland

Baron de Lorraine

John Mylong

Courtroom Spectator (uncredited)

Eric Mayne

Martin

James Rennie

Madame Deval (uncredited)

Anna Q. Nilsson

Landers

Bertram Marburgh

Professor (uncredited)

John St. Polis

Assistant Defense Attorney

Harry Fleischmann

Associate Judge

Louis Montez

Old Man (uncredited)

Torben Meyer

Associate Judge

Octavio Giraud

Associate Judge

Adolph Faylauer

Court Clerk

Jean Del Val

Old Man

Paul Weigel

Student

Jack Zoller

Guard

Christian J. Frank

Detective

Alex Davidoff

Orchestra Leader

Theodore Rand

Headwaiter

Alphonse Martell

Organ Grinder

Hector V. Sarno

Driver

William Edmunds

Clerk

Armand Cortez

Clerk

George Davis

Clerk at Airport

Marek Windheim

Waiter

John Picorri

Boy

Billy Roy

Boy

Frank Morales

Boy

Jo Jo LaSavio

Boy

Adrian Kerbrat

Fat Man

Ferdinand Munier

Reporter

Guy D'Ennery

Reporter

Shirley McDonald

Reporter

Jack Chefe

Reporter

Louis Natheaux

Reporter

Edith Penn

Reporter

Sandra Morgan

Maid

Irene Shirley

Nurse Receptionist

Alice Ward

Patient

Grace Hayle

Clerk/Paris Policeman

Lester Sharpe

Paris Policeman

Budd Fine