- Country: USA
- Genres: Adventure, Crime, Drama
- Release: 1977-09-14
- Director: Lee H. Katzin (1935–2002)
- Writers: Brian Garfield , Sam Rolfe
- Language: English
- Stars: Will Sampson , Monte Markham , John Hillerman , Marianna Hill , Larry Wilcox , Antony Ponzini , John Lawlor , Ted Markland , David Pendleton , Ron Foster
- Runtime: 90 min
- Awards: N/A
- AKA: Relentless (United States of America) , L'implacabile (Italy) , Auf der Fährte des Todes , Relentless
- Plot: An Arizona state trooper, who is also an Indian, pursues a gang of paramilitary-type robbers into the mountains. The gang has killed the trooper's uncle and taken a woman hostage, and the trooper must use his tracking and hunting skills to find the gang and rescue the hostage.
- IMDB:tt0076612
Relentless Cast · · · ALL
Lee H. Katzin
(1935–2002)
Director
Will Sampson
Sam Watchman
Monte Markham
Paul Vickers
John Hillerman
Major Leo Hargit
Marianna Hill
Annie Lansford
Larry Wilcox
Buck