Fred Olen Ray Director Treat Williams Dr. David Henning Actor Mary Page Keller Dr. Christine Edmonton Henning Actor Hannes Jaenicke Dr. Eric Foreman Actor Anthony John Denison Maj. Gen. Thomas Sparks Actor Catherine Dent Susan Edmonton Actor Greg Collins Grover Actor Melissa Hayden Katy Actor Rick Hurst Edgar Williams Actor Ron Harper Larry Kizinsky Actor Lee de Broux Bob Jenkins Actor Helen Duffy Lily Actor Larry Carroll News Reporter Actor Christal Chacon Nurse Josie Randall Actor Anthony Azizi Male Terrorist Actor Chas Allan Orderly Actor J.B. Gaynor Jimmy Edmonton Actor Dan Golden Writer Sean McGinly Writer Alison Semenza King Producer Jim Wynorski Producer Alan B. Bursteen Executive Producer Jorge Hermes Executive Producer Andrea V. Rossotto Cinematographer Randy Carter Film Editing Neal Acree Original Music Steve Ralph Production Design Christina Giovacchini Production Design Linda Louise Sheets Art Director Robert Constant Costume Design Jeff Gerrard Casting