The Undead (1957) Original Movie Poster 27x41 The Undead (1957) is a low-budget, black-and-white science fiction horror film directed by Roger Corman. The plot follows a group of people who become involved in a mysterious experiment where they are hypnotized and sent back in time to ancient Rome. While in the past, they encounter a society where a powerful and evil sorceress is using magic to manipulate the minds of the populace, and they must find a way to survive and stop her before being permanently trapped in the past.