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
