"A mad scientist implants an electronic device into the brain of an injured soldier, which turns him into a psychotic killer."
Roy Morton
as Joe Corey
Tommy Kirk
as Lt. Cross
Arne Warde
as Sgt. Grimaldi
John Carradine
as Dr. Howard Vanard
Regina Carrol
as Susan Vanard
Kent Taylor
as Elton Corey
Tacey Robbins
as Linda Clarke
Richard Smedley
as Akro the Zombie
Joey Benson
as Sgt. Frank Ward
Kirk Duncan
as David Clarke
K.K. Riddle
as Nancy Clarke
John Talbert
as Curtis, a thug
Lyle Felice
as Vito, gang boss
John Armond
as Nick
Tanya Maree
as Vicky
Barney Gelfan
as Detective
Jennifer Bishop
as Dr. Vanard's Nurse (uncredited)
Al Adamson
Director
Story
Dick Poston
Screenplay
Chris Martino
Samuel M. Sherman
Producer
Don McGinnis
Original Music Composer
Jimmie Roosa
Charles McMullen
Executive Producer
Zoe Phillips
Associate Producer
J.P. Spohn
Louis Horvath
Director of Photography
Vilmos Zsigmond
Lee James
Makeup Artist