"Planet of the Vampires" is a 1965 Italian-Spanish science fiction horror film directed by Mario Bava. Set in the distant future, the movie follows two spacecraft, the Galliott and the Argos, as they respond to a distress signal from an uncharted planet. Upon landing, the crews discover a strange and eerie atmosphere, causing them to become disoriented and aggressive towards each other.

As they explore the planet, they find the remnants of an ancient alien civilization and encounter mysterious and malevolent forces that possess their bodies. The crew members struggle to maintain control of themselves and their sanity as they try to unravel the planet's secrets and escape its deadly grasp.

The film is known for its atmospheric visuals, eerie set design, and suspenseful storytelling, blending elements of science fiction and horror. It's a cult classic that has influenced subsequent sci-fi and horror films, particularly in the way it creates a sense of tension and unease through its eerie atmosphere and psychological elements.

Barry Sullivan as Captain Mark Markary
Norma Bengell as Sanya
Ángel Aranda as Wess
Evi Marandi as Tiona
Stelio Candelli as Brad
Franco Andrei as Bert
Fernando Villena as Eldon
Mario Morales as Dr. Karan
Ivan Rassimov as Carter
Alberto Cevenini as Captain Sallis