Cast
Crane Whitley
Henchman Cooper
Charles Jordan
Nelson (uncredited)
Charles Wagenheim
Rausch (uncredited)
Benson Fong
Tommy Chan
Mantan Moreland
Birmingham Brown, Chauffeur
Victoria Faust
Hulda Swenson / Janet Carter
Reid Kilpatrick
Mr. Chester, program announcer
Emmett Vogan
Mr. Hamilton
Kernan Cripps
Detective (uncredited)
Kenner G. Kemp
Police Radio Expert (uncredited)
Robert Homans
Capt. Flynn
I. Stanford Jolley
Rolf Brot, alias Ralph Brett
Leonard Mudie
Horace Karloss, Horace Karlos (uncredited)
Frank Mayo
Det. Hodge (uncredited)
Sidney Toler
Charlie Chan
Janet Shaw
Gloria Bayne
Milton Kibbee
Herbert Sinclair (uncredited)
Charles Sherlock
Sgt. McGraw (uncredited)
Virginia Brissac
Mrs. Marsh
Jack Norton
Willie Rand
Ben Carter
Ben Carter