
Did you know
88 minutes exactly — the "classic feature" runtime most directors aim for.

"This was the day the universe trembled before the demon forces of the killer planet!"
After landing on a mysterious planet, a team of astronauts begin to turn on each other, swayed by the uncertain influence of the planet and its strange inhabitants.
“This was the day the universe trembled before the demon forces of the killer planet!”
Where to watch · US

Barry Sullivan
Captain Mark Markary

Norma Bengell
Sanya

Ángel Aranda
Wess

Evi Marandi
Tiona

Stelio Candelli
Brad / Mud

Franco Andrei
Bert / Garr
Fernando Villena
Dr. Karan

Mario Morales
Eldon
Credits
Want more? Switch to Cinephile mode in the header for DP, composer, budget, box office, production companies, keywords, and release history.
Did you know?
Cinephile deep dive
Mario Bava directs. Antonio Rinaldi behind the camera. Gino Marinuzzi Jr. scores. Romana Fortini cuts. Runs lean at under 100 minutes. Made its budget back several times over at the box office. Produced in Italy, Spain. Dialogue in English, Italian.
Trivia
Also by
Stills · wallpapers
Full-resolution frames — open one to save it as a wallpaper.
Trailers & featurettes
Production companies

Italian International Film
IT
Castilla Cooperativa Cinematográfica
IT
Themes & keywords
Release history · US
Also known as