All Cast
Warner Oland
Charlie Chan
Drue Leyton
Pamela Gray
Ray Milland
Neil Howard
Mona Barrie
Lady Mary Bristol
Douglas Walton
Hugh Gray
Alan Mowbray
Geoffrey Richmond
George Barraud
Major Jardine
Paul England
Bunny Fothergill
Madge Bellamy
Becky Fothergill
Walter Johnson
Jerry Garton
Murray Kinnell
Phillips
E. E. Clive
Det. Sgt. Thacker
Elsa Buchanan
Alice Rooney
Perry Ivins
Asst. Home Secretary Kemp
Reginald Sheffield
Flight Cmdr. King (uncredited)
Frank Baker
Bobbie (uncredited)
Mary Gordon
Prison Visitor (uncredited)
Claude King
RAF Aerodrome Commander (uncredited)
David Torrence
Home Secretary