Confidential

A Treasury agent gains the trust of a mob gunman while working under cover to smash a crime syndicate.

• 
  Edward L. Cahn

• 
  Donald Cook
  FBI Agent Dave Elliott
• 
  Evalyn Knapp
  Maxine Travers
• 
  Theodore von Eltz
  Mr. Walsh
• 
  Warren Hymer
  Terence 'Midget' Regan
• 
  J. Carrol Naish
  'Lefty' Tate
• 
  Herbert Rawlinson
  J.W. Keaton
• 
  Kane Richmond
  J.W. 'Jack' Keaton, Jr.
• 
  Edward Hearn
  Insp. Stone
• 
  James P. Burtis
  Lacey
• 
  Clay Clement
  Insp. Arthur M. Preston
• 
  Reed Howes
  FBI Agent Bob Arnold
• 
  Morgan Wallace
  H. Van Cleve
• 
  Monte Carter
  Giuseppe Tomasso Giaconelli
• 
  Al Bridge
  Hanover - Walsh's Henchman
• 
  Earl Eby
  FBI Agent Nash
• 
  Lynton Brent
  FBI Agent Connors
• 
  George Chesebro
  Sardo - Walsh's Henchman
• 
  Mary Gwynne
  Woman
• 
  Frank Marlowe
  G-Man
• 
  Lillian Castle
  Mary - Old Barfly