Donald Cook
Role: FBI Agent Dave Elliott
Evalyn Knapp
Role: Maxine Travers
Theodore von Eltz
Role: Mr. Walsh
Warren Hymer
Role: Terence 'Midget' Regan
J. Carrol Naish
Role: 'Lefty' Tate
Herbert Rawlinson
Role: J.W. Keaton
Kane Richmond
Role: J.W. 'Jack' Keaton, Jr.
Edward Hearn
Role: Insp. Stone
James P. Burtis
Role: Lacey
Clay Clement
Role: Insp. Arthur M. Preston
Reed Howes
Role: FBI Agent Bob Arnold
Morgan Wallace
Role: H. Van Cleve
Monte Carter
Role: Giuseppe Tomasso Giaconelli
Al Bridge
Role: Hanover - Walsh's Henchman
Earl Eby
Role: FBI Agent Nash
Lynton Brent
Role: FBI Agent Connors
George Chesebro
Role: Sardo - Walsh's Henchman
Lillian Castle
Role: Mary - Old Barfly
Donald Kerr
Role: Reporter
Edwin Argus
Role: Character
Jack Gustin
Role: Henchman
David Worth
Role: FBI Agent
Allen Connor
Role: Official
Tom Brower
Role: Elderly Man
Harry Harvey
Role: Short Pool Player
Robert Homans
Role: Fat Pool Player
Allan Cavan
Role: One of Keaton's Lieutenants
Earl Dwire
Role: Secretary
John Ince
Role: One of Keaton's Lieutenants
Lee Phelps
Role: One of Keaton's Lieutenants
Alphonse Martell
Role: Jeweller