크레딧 출연 Ed Nelson Dr. Paul Kettering Joanna Lee Alice Summers Cornelius Keefe Senator Walter K. Powers Alan Jay Factor Glenn Cameron Jody Fair Elaine Cameron David Hughes Dr. Wyler Robert Ball Dan Walker Phil Posner Sheriff Orville Sherman Mayor Cameron Henry Randolph Telegrapher Hampton Fancher Zombie (uncredited) 레너드 니모이 Professor Cole Doug Banks Doctor Saul Bronson Prof. Helsingman 스텝 Sergei Prokofiev Sound 드미트리 쇼스타코비치 Sound Bruno VeSota Directing Gordon Urquhart Writing Stanley Bickman Production Ed Nelson Production 로저 코먼 Production Lawrence Raimond Camera Carlo Lodato Editing Burt Shonberg Art Alan Trumble Costume & Make-Up F. Amos Powell Production Mike Murphy Directing Robert A. Heinlein Writing Tom Jonson Sound James Fullerton Sound