Charles Band Director Tim Thomerson Jack Deth Phil Deth Actor Helen Hunt Leena Actor Michael Stefani Whistler, Detective Weisling Actor Art LaFleur McNulty Actor Telma Hopkins Engineer Raines Actor Richard Herd Chairman Spencer Actor Anne Seymour Chairman Ashe Actor Miguel Fernandez Officer Lopez Actor Biff Manard Hap Ashby Actor Danny Bilson Writer Paul De Meo Writer Ted Nicolaou Film Editing Anthony Barnao Casting Phil Davies Music Mark Ryder Music