Mister Frost (1990)
Mister Frost is a 1990 horror movie directed by Philippe Setbon, with a running time of 1h 44m. It stars Jeff Goldblum, Alan Bates and Kathy Baker.
Frost is arrested and committed for murder after he is apprehended burying his victims in the garden. However, even while under psychiatric care and tight hospital security, it becomes obvious that Mr. Frost is not all he seems to be.