Produced and Directed by Fred Olen Ray
Written by Sean O'Bannon
Cinematography by James Lawrence Spencer
Film Editing by Daniel H. Holland
Music by Jeffrey Walton
Production Design by Helen Harwell
Costume Design by Mandana Yamin
Special Makeup Effects Artist : Tom Irvin (Obscure Artifacts)
Cast
John Blyth Barrymore (Dr. Paul Hamilton)
Brinke Stevens (Dr. Leslie Morgan)
J.J. North (Carla Ferguson)
Tim Abell (McQueen)
Ted Monte (Milo Tyrel)
G. Gordon Baer (Sergeant Frank Blaine)
Bob Bragg (Pike)
Nikki Fritz (Susan)
Robert Connell (Dr. Farrell)
Christopher Olen Ray (Hybrid)