Horror Express (also Panic on the Trans-Siberian Express) is a 1972 Spanish/British horror film directed by Eugenio Martín and starring Christopher Lee, Peter Cushing, Alberto de Mendoza, and Telly Savalas.

Synopsis:
A British anthropologist discovers a frozen monster believed to be a "missing link" in the frozen soil of Manchuria.

He takes the monster back to Europe on the Trans-Siberian Express, but during the journey, the monster thaws and begins slaughtering the passengers one by one.