Bernard L. Kowalski Director Michael Emmet Maj. John Corcoran Actor Angela Greene Dr. Julie Benson Actor John Baer Steve Dunlap Actor Ed Nelson Dave Randall Actor Tyler McVey Dr. Alex Wyman Actor Georgianna Carter Donna Bixby Actor Ross Sturlin The Creature Actor Gene Corman Screenwriter, Producer Martin Varno Screenwriter Roger Corman Executive Producer John M. Nickolaus Jr. Cinematographer Jodie Copelan Film Editing Alexander Laszlo Original Music Daniel Haller Art Director