Plot

Deep in the rural swamp

Swamp

A swamp is a wetland with some flooding of large areas of land by shallow bodies of water. A swamp generally has a large number of hammocks, or dry-land protrusions, covered by aquatic vegetation, or vegetation that tolerates periodical inundation. The two main types of swamp are "true" or swamp...

s of Texas the insane Dr. Simond Trent is conducting experiments on the local swamp people in an attempt to discover the secret of evolution

Evolution

Evolution is any change across successive generations in the heritable characteristics of biological populations. Evolutionary processes give rise to diversity at every level of biological organisation, including species, individual organisms and molecules such as DNA and proteins.Life on Earth...

. When a party of oil surveyors comes upon his isolated laboratory he decides to take the final step and turn one of them into a grotesque amphibious

Amphibious

Amphibious means able to use either land or water. In particular it may refer to:*Amphibious warfare, warfare carried out on both land and water*Amphibians, vertebrate animals of the Class Amphibia...

 creature.

Cast

• John Agar
  John Agar
  John George Agar was an American actor. He starred alongside John Wayne in the films Sands of Iwo Jima, Fort Apache and She Wore a Yellow Ribbon, but was later relegated to B movies, such as Tarantula, The Mole People, The Brain from Planet Arous, Flesh and the Spur, and Hand of Death...
  
   as Barry Rogers
• Francine York as Pat Trent
• Jeff Alexander as Dr. Simond Trent
• Shirley McLine as Brenda Simmons
• Cal Duggan as Ritchie
• Charles McLine
• Bill McGhee
• Ted Mitchell
• Roger Ready as Frenchie
• Bill Thurman as Driscoll West / The Swamp Creature
• Tony Huston as Tom
• Gayle Johnson
• Michael Tolden
• Annabelle Weenick as Hotel clerk
• Patrick Cranshaw
  Patrick Cranshaw
  Joseph Patrick Cranshaw was an American film and television actor known for his distinctive look and deadpan humor. He is best known for one of his last roles, that of Joseph "Blue" Pulaski, a fraternity brother in the 2003 hit comedy Old School...
  
  
• J.V. Lee
• Naomi Bruton

Soundtrack

1. "Music" from It Conquered the World
   It Conquered the World
   It Conquered the World is a 1956 American science fiction film about an alien from Venus trying to take over the world with the help of a disillusioned human scientist. It was directed by Roger Corman, written by Lou Rusoff , and starred Peter Graves, Lee Van Cleef, Beverly Garland, and Sally...
   
   (Ronald Stein
   Ronald Stein
   Ronald Stein was an American film composer.-Biography:Born in St. Louis, Missouri, Stein wrote scores for numerous low budget horror and exploitation films during the 1950s and 1960s, many of which were released by American International Pictures...
   
   )
2. "Music" from Invasion of the Saucer Men
   Invasion of the Saucer Men
   Invasion of the Saucer Men is a 1957 sci-fi comedy film starring Steven Terrell and Gloria Castillo and personally produced by James H. Nicholson for his American International Pictures...
   
   (Ronald Stein)