A Treasury agent gains the trust of a mob gunman while working under cover to smash a crime syndicate.
FBI Agent Dave Elliott
Maxine Travers
Mr. Walsh
Terence 'Midget' Regan
'Lefty' Tate
J.W. Keaton
J.W. 'Jack' Keaton, Jr.
Insp. Stone
Lacey
Insp. Arthur M. Preston
FBI Agent Bob Arnold
H. Van Cleve
Hanover - Walsh's Henchman
FBI Agent Connors
Sardo - Walsh's Henchman
G-Man
Reporter
FBI Agent
Elderly Man
Short Pool Player
Fat Pool Player
Secretary
One of Keaton's Lieutenants
One of Keaton's Lieutenants
Jeweller
Director
Screenplay