Horror Express

Horror Express is a 1972 Sci-Fi horror film stars Christopher Lee and Peter Cushing, with Alberto de Mendoza, Silvia Tortosa, Julio Peña, Ángel del Pozo, and Telly Savalas. A UK anthropologist discovers a mysterious fossil in Manchuria that comes alive aboard the Trans-Siberian Express and develops a taste for brains.

On the Trans-Siberian Express, an anthropologist must contain the threat posed by a prehistoric ape which is the host for a lifeform that begins feeding on the brains of the passengers.