- Country: USA
- Genres: Horror
- Release: 1963-03-06
- Director: Reginald Le Borg
- Writers: Guy de Maupassant , Robert E. Kent
- Language: English
- Stars: Vincent Price , Nancy Kovack , Chris Warfield , Elaine Devry , Ian Wolfe , Stephen Roberts , Lewis Martin , Mary Adams , Edward Colmans , Nelson Olmsted
- Runtime: 96 min
- Awards: N/A
- AKA: I ekdikisis enos trellou (Greece) , Bir Delinin Hâtıra Defteri (Turkey) , Jurnalul unui nebun (Romania) , Horla (Italy) , Diário de um Louco (Brazil) , The Horla (United States of America) , Diario segreto di un pazzo (Italy) , En mördares dagbok (Sweden) , Diario de un loco (Spain) , Diário dum Louco (Portugal, Portuguese Republic) , To imerologio enos trellou (Greece) , Diary of a Madman (United Kingdom) , Murhaajan päiväkirja (Finland) , Дневник сумасшедшего , Diary of a Madman (United States of America) , L'étrange destin du juge Cordier (Belgium) , Diary of a Madman (Canada) , I guillotinens skygge (Denmark) , Egy őrült naplója (Hungary) , Tagebuch eines Mörders (Austria) , Diary of a Madman , L'étrange histoire du juge Cordier (France, French Republic) , El diario de un loco (Mexico) , Tagebuch eines Mörders
- Plot:
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.
- IMDB:tt0056993
Diary of a Madman Cast · · · ALL
Reginald Le Borg
Director
Vincent Price
Simon Cordier
Nancy Kovack
Odette Mallotte
Chris Warfield
Paul Duclasse
Elaine Devry
Jeanne D'Arville
Ian Wolfe
Pierre
Stephen Roberts
Captain Robert Rennedon
Lewis Martin
Father Raymonde
Mary Adams
Louise
Nelson Olmsted
Dr. Borman
Don Brodie
Marcel
Harvey Stephens
Louis Girot
Joseph Ruskin
The Horla (voice)