Sidney Toler

Character: Charlie Chan

Victor Sen Yung

Character: Jimmy Chan

Cesar Romero

Character: Fred Rhadini

Douglas Fowley

Character: Peter Lewis

Pauline Moore

Character: Eve Cairo

Donald MacBride

Character: Deputy Police Chief J.J. Kilvaine

Douglass Dumbrille

Character: Stewart Salsbury, alias Thomas Gregory

Trevor Bardette

Character: Dr. Zodiac's Servant

Gerald Mohr

Character: Dr. Zodiac (in disguise)

Wally Vernon

Character: Elmer

June Gale

Character: Myra Rhadini

Billie Seward

Character: Mrs. Bessie Sibley

Sally Blane

Character: Stella Essex

Charles Halton

Character: Uncle Redley

Louis Jean Heydt

Character: Paul Essex

Jack Chefe

Character: Audience Member

Heinie Conklin

Character: First Taxicab Driver

Sayre Dearing

Character: Audience Member

Bud Geary

Character: Cop at Station House

Harold Goodwin

Character: Airplane Steward

Edith Hallor

Character: Toots - Stout Woman

Fred Kelsey

Character: Detective - in Cab and at Theatre

Al Kikume

Character: Waiter at Hawaiian Village

Kay Linaker

Character: Egyptian Princess Ectoplasm

Hank Mann

Character: Second Taxicab Driver

Margaret Mann

Character: Airplane Passenger

Frank Meredith

Character: Second Detective

Harold Miller

Character: Audience Member

Bruce Mitchell

Character: Police Desk Sergeant

Hans Moebus

Character: Audience Member

Bert Moorhouse

Character: Audience Member

David Newell

Character: Audience Member

Imboden Parrish

Character: Plane Passenger

Tom Quinn

Character: Man at Landing Gate

Arthur Rankin

Character: Airways Official

Fred Rapport

Character: Audience Member

Gloria Roy

Character: Plane Passenger

Jeffrey Sayre

Character: Man at Landing Gate

Harry Strang

Character: Taxicab Dispatcher

Charles Tannen

Character: Plane Passenger

Edwin Tuttle

Character: Audience Member

John Elliott

Character: Doctor - Backstage