The Mandarin Mystery

Eddie Quillan

Ellery Queen

Charlotte Henry

Josephine Temple

Rita La Roy

Martha Kirk

Wade Boteler

Inspector Queen

Franklin Pangborn

Mellish

George Irving

Dr. Alexander Kirk

Kay Hughes

Irene Kirk

William Newell

Detective Guffy

George Walcott

Donald Trent

Edwin Stanley

Howard Bronson

Edgar Allen

Detective

Richard Beach

Reporter

Monte Vandergrift

Detective

Grace Durkin

Girl on Street Corner

June Johnson

Girl at Cocktail Bar

Mary Bovard

Girl at Cocktail Bar

Marc Cramer

Hotel Desk Clerk

Lester Dorr

Reporter at Dock

Charles McAvoy

Officer Jones

Walter Merrill

Craig the Thief

Frank O'Connor

Detective

Vesey O'Davoren

Mason

Carleton Young

Drunk

Mary Russell

Girl on Street Corner

Ralph Staub

Director

Philip Ford

Director

Frederic Dannay

Original Story

Manfred Lee

Original Story

Cortland Fitzsimmons

Screenplay

John Francis Larkin

Screenplay

Gertrude Orr

Screenplay

Rex Taylor

Screenplay

Nat Levine

Producer

Victor Zobel

Producer

Jack A. Marta

Director of Photography

Grace Goddard

Editor