Cast
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
Edward Colmans
Andre D'Arville
Nelson Olmsted
Dr. Borman
Harvey Stephens
Louis Girot
Don Brodie
Marcel
Joseph Ruskin
The Horla (voice)
Dick Wilson
Crew
Reginald Le Borg
Director
(Directing)
Daniel Haller
Art Direction
(Art)
Robert E. Kent
Producer
(Production)
Robert E. Kent
Screenplay
(Writing)
Alfred R. Bird
Sound Effects Editor
(Sound)
Edna Bullock
Music Editor
(Sound)
Norman Breedlove
Special Effects
(Crew)
Irving W. Sindler
Property Master
(Art)
Ralph Butler
Sound
(Sound)
Lowell Grant
Sculptor
(Art)
Richard LaSalle
Original Music Composer
(Sound)
Ellis W. Carter
Director of Photography
(Camera)
Grant Whytock
Editor
(Editing)
Victor A. Gangelin
Set Decoration
(Art)
Marjorie Corso
Costume Design
(Costume & Make-Up)
Jane Ficker
Script Supervisor
(Directing)
Guy de Maupassant
Short Story
(Writing)
Joseph Small
Production Manager
(Production)
Al Westen
Assistant Director
(Directing)
Edward Small
Producer
(Production)
Ted Coodley
Makeup Artist
(Costume & Make-Up)
Carmen Dirigo
Hairstylist
(Costume & Make-Up)