Sidney Toler as Lt. Charlie Chan

Victor Sen Yung as Jimmy Chan

Harold Huber as Senior Souto, police chief

Mary Beth Hughes as Joan Reynolds

Cobina Wright as Grace Ellis

Victor Jory as Alfredo Cardozo, alias Marana

Kay Linaker as Helen Ashby

Hamilton MacFadden as Bill Kellogg

Richard Derr as Ken Reynolds

Ted North as Clark V. Denton

Truman Bradley as Paul Wagner

Iris Wong as Lili Wong

Jacqueline Dalya as Lola Dean

Leslie Denison as Rice the Butler (uncredited)

Ann Codee as Margo the Cook (uncredited)

Eugene Borden as Armando, club headwaiter (uncredited)