Vincent Price
Simon Cordier
Nancy Kovack
Odette Mallotte
Chris Warfield
Paul Duclasse
Elaine Devry
Jeanne D'Arville
Ian Wolfe
Pierre
S
Stephen Roberts
Captain Robert Rennedon
Lewis Martin
Father Raymonde
M
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