- James Farentino
- Sheriff Dan Gillis
- Melody Anderson
- Janet Gillis
- Jack Albertson
- William G. Dobbs
- Robert Englund
- Harry
- Barry Corbin
- Phil
- Lisa Blount
- Girl on the Beach/Nurse Lisa
- Bill Quinn
- Ernie
- Michael Currie
- Herman
- Gary Sherman
- Director
- Jeff Millar
- Writer
- Alex Stern
- Writer
- Ronald Shusett
- Producer, Screenwriter
- Dan O'Bannon
- Screenwriter
- Robert Fentress
- Producer
- Richard R. St. Johns
- Executive Producer
- Steven Poster
- Cinematographer
- Alan Balsam
- Film Editing
- Joe Renzetti
- Original Music
- Joe Aubel
- Art Director
- William Sandell
- Art Director
- Cloudia Rebar
- Set Decoration
- Dennis Barton
- Set Decoration
- Linda Francis
- Casting
