They Came from the Swamp: The Films of William Grefé
- Година: 2016
- Земја: United States of America
- Genанр: Documentary
- Студио:
- Клучен збор:
- Директор: Daniel Griffith
- Улоги: William Grefé, Steve Alaimo, John Davis Chandler, Gary Crutcher, Frank Henenlotter, David F. Friedman