- Country: USA
- Genres: Crime, Drama, Thriller
- Release: 1961-03-01
- Director: Samuel Fuller
- Writers: Samuel Fuller
- Language: English
- Stars: Cliff Robertson , Dolores Dorn , Beatrice Kay , Paul Dubov , Robert Emhardt , Larry Gates (I) (1915–1996) , Richard Rust , Gerald Milton , Allan Gruener , David Kent
- Runtime: 99 min
- Awards: N/A
- AKA: Underworld U.S.A. , Alles auf eine Karte (Austria) , A Lei dos Marginais (Brazil) , La ley del hampa (Uruguay, Eastern Republic of) , Marcados para a Morte (Portugal, Portuguese Republic) , Alles auf eine Karte , 殺人地帯U・S・A (Japan) , O yp' arith. 1 ehthros tou ypokosmou (Greece) , Alamaailma USA (Finland) , Amerykański świat podziemia (Poland) , La ley del hampa (Mexico) , La vendetta del gangster (Italy) , Другой мир США , Underworld U.S.A. (United Kingdom) , La ley del hampa (Argentina) , Underworld U.S.A. (United States of America) , Lumea interlopă U.S.A. (Romania) , Undre världen, USA (Sweden) , Straffefangens hævn (Denmark) , Les bas-fonds new-yorkais (France, French Republic) , Underworld U.S.A. (Canada) , Ο υπ' αριθ. 1 εχθρός του υποκόσμου (Greece) , Bajos fondos (Spain) , Америчко подземље (Serbia)
- Plot: A teenager who witnesses the murder of his father vows to exact revenge on the four mobsters involved in the killing.
- IMDB:tt0055571
Underworld U.S.A. Cast · · · ALL
Samuel Fuller
Director
Cliff Robertson
Tolly Devlin
Dolores Dorn
Cuddles
Beatrice Kay
Sandy
Richard Rust
Gus Cottahee
Paul Dubov
Gela
Robert Emhardt
Earl Connors
Larry Gates
(I)
(1915–1996)
John Driscoll
Gerald Milton
Joseph Wilhelm Gunther
Peter Brocco
Vic Farrar
Tina Pine
Woman
Cosmo Sardo
Connors' Associate
Robert P. Lieb
Police Chief William Fowler
Neyle Morrow
Barney
Bernie Hamilton
Investigator