John Agar
饰 Dr. Curt Taylor (archive footage)
Ethan Allen
饰 (archive footage)
John Ashley
饰 Stan Kenyon (archive footage)
Susan Bjurman
饰 Anne Taylor (archive footage)
Bob Cowan
饰 Cpl. Culver (archive footage)
Warren Hammack
饰 Lt. Robertson (archive footage)
Cynthia Hull
饰 Susan Rogers (archive footage)
Tony Huston
饰 Culver's Sergeant (archive footage)
Bill Peck
饰 (archive footage)
Jordan Lopez
饰 Rakor space gorilla (uncredited)
