The first pilot to leave Earth's atmosphere lands, then vanishes; but something with a craving for blood prowls the countryside...
Marshall Thompson
Cmdr. Charles Ernest Prescott
Marla Landi
Tia Francesca
Bill Edwards
Lt. Dan Milton Prescott
Robert Ayres
Capt. Ben Richards
Carl Jaffe
Dr. Paul von Essen
Bill Nagy
Police Chief Wilson
Roger Delgado
Mexican Consul - Ramon de Guerrera
John McLaren
State Dept. Official, Harold Atkins
