Character Name : Dr. Curt Taylor (archive footage)

Original Name : John Agar

Gender : Male

Character Name : (archive footage)

Original Name : Ethan Allen

Gender : Male

Character Name : Stan Kenyon (archive footage)

Original Name : John Ashley

Gender : Male

Character Name : Anne Taylor (archive footage)

Original Name : Susan Bjurman

Gender : Female

Character Name : Cpl. Culver (archive footage)

Original Name : Bob Cowan

Gender : Male

Character Name : Lt. Robertson (archive footage)

Original Name : Warren Hammack

Gender : Male

Character Name : Susan Rogers (archive footage)

Original Name : Cynthia Hull

Gender : Male

Character Name : Culver's Sergeant (archive footage)

Original Name : Tony Huston

Gender : Male

Character Name : (archive footage)

Original Name : Bill Peck

Gender : Male

Character Name : Rakor space gorilla (uncredited)

Original Name : Jordan Lopez

Gender : Male