Frank Arcaro
Mike Parker
Adam Flint
Narrator (voice)
Libby Kingston
Jimmy Halloran
Daniel Muldoon
Arrest Suspect (uncredited) / Registered Mail Clerk (uncredited)
Mr. Leventhal / Private Detective
Brick / Biggers
Pete Kammik / Arthur Crews
Max Evar / Barney Peters
Alfred Gurdine / Fitch
Quale / Paul Tamarind
Johnny Gary / Tony Bacallas
Sara / Fran Burney
Mr. Carrari / Mr. Tanner
Frankie O'Hearn / Extortionist
Joseph Creeley / Captain Russel Barris
Prisoner / Happy
Sheila Braden / Mrs. Denton
Miklos Konya / Johnny
Al Machias / Civil Service Applicant (uncredited)
