- Country: USA
- Genres: Crime, Drama, Romance
- Release: 1939-01-14
- Director: Lewis Seiler
- Writers: George Bricker , Vincent Sherman , W.R. Burnett
- Language: English
- Stars: Humphrey Bogart , Kay Francis , James Stephenson , John Eldredge , Jessie Busley , Arthur Aylesworth , Raymond Brown , Harland Tucker , Ralph Remley , Charley Foy
- Runtime: 67 min
- Awards: N/A
- AKA: Hommes sans loi (France, French Republic) , El rey del hampa (Venezuela) , Contra a Lei (Brazil) , Hommes sans loi (Belgium) , King of the Underworld (Canada) , Regele lumii interlope (Romania) , O teleftaios ton gangsters (Greece) , Koning der onderwereld (Netherlands the) , El rey del hampa (Mexico) , Король преступного мира , King of the Underworld (United Kingdom) , King of the Underworld , King of the Underworld (India) , El rey del hampa (Spain) , O vasilefs tou ypokosmou (Greece) , Król podziemia (Poland) , Contra a Lei (Portugal, Portuguese Republic) , Den undre världens diktator (Sweden) , Mannen zonder wet (Belgium) , Unlawful (United States of America) , King of the Underworld (United States of America) , Underverdenens Diktator (Denmark)
- Plot: Niles and Carole Nelson are married doctors who save one of gang lord Gurney's men. Gurney exploits them, then kills Niles leaving Carole to take the fall. He next kidnaps writer Bill Stephens to write his biography. Knowing Bill will be killed when the biography is finished, Carole takes matters into her own hands.
- IMDB:tt0031536
King of the Underworld Cast · · · ALL
Lewis Seiler
Director
Humphrey Bogart
Joe Gurney
Kay Francis
Dr. Carole Nelson
James Stephenson
Bill Stevens
John Eldredge
Dr. Niles Nelson
Jessie Busley
Aunt Josephine
Arthur Aylesworth
Dr. Sanders
Raymond Brown
Sheriff
Harland Tucker
Mr. Ames
Ralph Remley
Mr. Robert
Charley Foy
Slick
Murray Alper
Eddie
Joe Devlin
Porky
Elliott Sullivan
Mugsy
Alan Davis
Pete
John Harmon
Slats
John Ridgely
Jerry
Richard Bond
Interne
Pierre Watkin
District Attorney
Charles Trowbridge
Dr. Ryan
Edwin Stanley
Dr. Jacobs
Clem Bevans
Villager #3 (uncredited)
Sidney Bracey
Bert - the Farmer (uncredited)
Nat Carr
Second Villager (uncredited)
Glen Cavender
Deputy Shooting Bill (uncredited)
Edgar Dearing
First Policeman (uncredited)