- Country: USA
- Genres: Horror, Sci-Fi
- Release: 1959-10-01
- Director: Bernard L. Kowalski
- Writers: Leo Gordon
- Language: English
- Stars: Ken Clark , Yvette Vickers , Jan Shepard , Michael Emmet , Tyler McVey , Bruno VeSota , Gene Roth , Dan White , George Cisar , Guy Buccola
- Runtime: 62 min
- Awards: N/A
- AKA: O Ataque das Sanguessugas Gigantes (Portugal, Portuguese Republic) , Demons of the Swamp (United Kingdom) , Attack of Giant Leeches (United Kingdom) , Attaque des Sangsues Géantes (Canada) , El ataque de las sanguijuelas gigantes (Spain) , Atak gigantycznych pijawek (Poland) , Нападение гигантских пиявок , Attack of the Blood Leeches (United States of America) , She Demons of the Swamp , L'attacco delle sanguisughe giganti (Italy) , Katakomben des Grauens (Germany) , Attack of the Giant Leeches (United States of America) , Attack of the Giant Leeches (Canada) , El pantano diabólico (Mexico) , El pantano diabólico (Spain) , L'attaque des sangsues géantes (France, French Republic) , Attack of Giant Leeches (United States of America) , The Giant Leeches (United States of America) , Attack of the Giant Leeches , O Ataque das Sanguessugas Gigantes (Brazil)
- Plot:
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.
- IMDB:tt0053611
Attack of the Giant Leeches Cast · · · ALL
Bernard L. Kowalski
Director
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
Joseph Hamilton
Sam Peters (uncredited)
Walter Kelly
Mike, the scuba expert (uncredited)
Guy Buccola
Giant Leech (uncredited)