- Country: USA
- Genres: Crime, Drama
- Release: 1940-05-19
- Director: Arthur Lubin
- Writers: Karl Brown
- Language: English
- Stars: Lloyd Nolan , Barton MacLane , Lola Lane , Ray Middleton , Astrid Allwyn , Horace McMahon , Howard Hickman , Leona Roberts , Charles Halton , Addison Richards
- Runtime: 66 min
- Awards: N/A
- AKA: Gangs of Chicago , Gangs of Chicago (United Kingdom) , Al amparo de la ley (Spain) , Epistimon dolofonos (Greece) , Gangs of Chicago (United States of America) , Gangsters de Chicago (Portugal, Portuguese Republic)
- Plot: A criminal uses his knowledge of the law for his not-very-legal purposes, betraying friends along the way.
- IMDB:tt0032509
Gangs of Chicago Cast · · · ALL
Arthur Lubin
Director
Lloyd Nolan
Matthew J. 'Matty' Burns
Barton MacLane
Jim Ramsey
Ray Middleton
Bill Whitaker
Lola Lane
June Whitaker
Howard Hickman
Judge Whitaker
Leona Roberts
Mrs. Whitaker
Astrid Allwyn
Virginia Brandt
Charles Halton
Bromo
Addison Richards
Evans
John Harmon
Rabbit
Horace McMahon
Cry-Baby
Dwight Frye
Pinky
Raymond Bailey
Frederick Burton
Cliff Clark
Joe Devlin
William Forrest
Edward Hearn
Jason Robards Sr.
Charles Sullivan
Harry Tyler
Emmett Vogan
Pierre Watkin
Charles C. Wilson