Sidney Toler

Lt. Charlie Chan

Victor Sen Yung

Jimmy Chan

Harold Huber

Senior Souto, police chief

Mary Beth Hughes

Joan Reynolds

Cobina Wright

Grace Ellis

Victor Jory

Alfredo Cardozo, alias Marana

Kay Linaker

Helen Ashby

Hamilton MacFadden

Bill Kellogg

Richard Derr

Ken Reynolds

Ted North

Clark V. Denton

Truman Bradley

Paul Wagner

Iris Wong

Lili Wong

Jacqueline Dalya

Lola Dean

Leslie Denison

Rice the Butler (uncredited)

Ann Codee

Margo the Cook (uncredited)

Harry Lachman