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