Diary of a Madman 1963

Synopsis:

Simon Cordier, a French magistrate and amateur sculptor comes into contact with a malevolent entity. The invisible - yet corporeal - being, called a "horla" is capable of limited psychokinesis and complete mind control.

Directed by: Reginald Le Borg
Written by: Robert E. Kent
Runtime: 96 minutes
Tagline: The most terrifying motion picture ever!
Cast:
Vincent Price
Vincent Price
Simon Cordier 
Nancy Kovack
Nancy Kovack
Odette Mallotte 
Chris Warfield
Chris Warfield
Paul Duclasse 
Elaine Devry
Elaine Devry
Jeanne D'Arville 
Ian Wolfe
Ian Wolfe
Pierre 
Stephen Roberts
Stephen Roberts
Captain Robert Rennedon