Horatio 'Boston Blackie' Black
Dooley Watson
Mary Watson
Insp. John Farraday
The Runt
Arthur Manleder
Nails Blanton (Uncredited)
Benny Hines (Uncredited)
Policeman Joe (Uncredited)
Edna Counihan (Uncredited)
Elwood "Tex" Stewart (Uncredited)
Jumbo Madigan (Uncredited)
Johnny Watson (Uncredited)
State Governor Rutledge (Uncredited)
Detective Sergeant Matthews (Uncredited)
Carpet Man (Uncredited)
Carpet Man (Uncredited)
Warden J.A. Edwards (Uncredited)
Woman in Hallway (Uncredited)
Manny Vogel (Uncredited)
Sandy (Uncredited)
Richie Adair (Uncredited)
Policeman Frank (Uncredited)
Parole Board Member (Uncredited)
Police Desk Sergeant (Uncredited)
Miss Bailey (Uncredited)
Reporter at Parole Board Hearing (Uncredited)
Woman in Hallway (Uncredited)
Prison Warden Root (Uncredited)
George Phillips (Uncredited)
Joe Painter (Uncredited)
Wilfred Thompson (Uncredited)
Red Taggart (Uncredited)
Parole Board Member (Uncredited)
Policeman (Uncredited)
William Jones (Uncredited)
Chairman of Parole Board (Uncredited)
Policeman (Uncredited)
Parker Gray (Uncredited)
Policeman Lally (Uncredited)
Jerome Wagner (Uncredited)
Driver (Uncredited)
British Newsman (uncredited)