Burke & Hare (1971)
Burke & Hare, sometimes called Burke and Hare or The Horrors of Burke and Hare, is a 1971 horror film, directed by Vernon Sewell, and starring Derren Nesbitt, Harry Andrews, and Glynn Edwards. It is based on the Burke and Hare murders, and was the last film to be directed by Vernon Sewell.
More at Wikipedia.