Chester Morris
Horatio 'Boston Blackie' Black
Acting
Trudy Marshall
Irene
Acting
Constance Dowling
Dinah Moran
Acting
Richard Lane
Inspector Farraday
Acting
George E. Stone
The Runt
Acting
Frank Sully
Sgt. Matthews
Acting
Warren Ashe
John Lampau, alias John Jani
Acting
Selmer Jackson
Warden Lund
Acting
Wanda Perry
Secretary (uncredited)
Acting