Director
Phil Rosen
DIRECTOR
Writer
George Callahan
WRITER
Earl Derr Biggers
Stars (in credits order)
Sidney Toler
Charlie Chan
Mantan Moreland
Birmingham Brown
Ben Carter
Benson Fong
Tommy Chan
Virginia Brissac
Mrs. Marsh
Robert Homans
Capt. Flynn
Jack Norton
Willie Rand
Janet Shaw
Gloria Bayne
Helen Deverell
Diane Hall
Victoria Faust
Hulda Swenson
Kernan Cripps
Detective (uncredited)
I. Stanford Jolley
Ralph Brett (uncredited)
Charles Jordan
Nelson (uncredited)
Kenner G. Kemp
Police Radio Expert (uncredited)
Milton Kibbee
Herbert Sinclair (uncredited)
Reid Kilpatrick
Wilbur Chester (uncredited)
Frank Mayo
Det. Hodge (uncredited)
Leonard Mudie
Horace Karlos (uncredited)
Tom Quinn
Chemist (uncredited)
Charles Sherlock
Sgt. McGraw (uncredited)
Emmett Vogan
Mr. Hamilton (uncredited)
Charles Wagenheim
Rausch (uncredited)
Crane Whitley
Cooper (uncredited)
