The Cast*:

Sidney Toler: Charlie Chan
Shiela Ryan: Kate Ransome
Robert Weldon: Steve Daniels
Sen Yung: Jimmy Chan
Don Douglas: Jed Thomasson
Katharine Aldridge: Laura Thursday
Paul McGrath: Charles Thursday (also known as Mr. Parks)
George Reeves: Bill Lydig
Truman Bradley: Captain Kane
Ethel Griffies: Miss [Patience] Nodbury
Lenita Lane: Dr. Anne Bonney
Milton Parsons: Gene LaFarge
Lee Tung Foo: Wu Mei (not credited)
Ralph Dunn: Homicide Desk Sergeant (not credited)

Lee Phelps: Detective (not credited)
Stanley Andrews: Inspector Vesey (not credited)
Pat Flaherty: Policeman (not credited)
Tim Ryan: Red Eye [Bartender] (not credited)
Jimmy Aubrey: English Sailor (not credited)
John Wallace: Peg Leg (not credited)
Charles Tannen: Sailor (not credited)

O.G. "Dutch" Hendrian: Saloon Dancer  

*Courtesy of www.charliechan.info