Edge of Sanity (1989)
Genres: Horror, Slasher
Cast: Anthony Perkins, Glynis Barber
Edge of Sanity is a 1989 American slasher film directed by Gérard Kikoïne and starring Anthony Perkins. It mixes elements of Robert Louis Stevenson's 1886 novella Strange Case of Dr Jekyll and Mr Hyde with those of tales of Jack the Ripper.