A backwoods game warden and a local doctor discover that giant leeches are responsible for disappearances and deaths in a local swamp, but the local police don't believe them.
Cast
Ken Clark
Steve Benton
Yvette Vickers
Liz Walker
Jan Shepard
Nan Greyson
Michael Emmet
Cal Moulton
Tyler McVey
Doc Greyson
Bruno VeSota
Dave Walker
Gene Roth
Sheriff Kovis
Dan White
Porky Reed
George Cisar
Lem Sawyer
Guy Buccola
Giant Leech (uncredited)
Joseph Hamilton
Sam Peters (uncredited)
Walter Kelley
Mike (uncredited)
Bill Scully
Search Party Member (uncredited)
Carl Sklover
Search Party Member (uncredited)
Ross Sturlin
Giant Leech (uncredited)
James Miller
Jermey (uncredited)
Killian Miller
Victim (uncredited)
Crew
Bernard L. Kowalski
Director
Leo Gordon
Screenplay, Original Story
Carlo Lodato
Editor
John M. Nickolaus Jr.
Director of Photography
Roger Corman
Executive Producer
Gene Corman
Producer
Charles Rosher Jr.
First Assistant Camera
Al Overton Sr.
Sound
Alexander Laszlo
Original Music Composer
Richard M. Rubin
Property Master
Anthony Magro
Associate Editor
Jack Bohrer
Production Manager
Daniel Haller
Art Direction
Kinta Zertuche
Production Secretary
