Vincent PriceSimon Cordier

Nancy KovackOdette Mallotte

Chris WarfieldPaul Duclasse

Elaine DevryJeanne D'Arville

Ian WolfePierre

Stephen RobertsCaptain Robert Rennedon

Lewis MartinFather Raymonde

Mary AdamsLouise

Edward ColmansAndre D'Arville

Nelson OlmstedDr. Borman

Don BrodieMarcel

Harvey StephensLouis Girot

Joseph RuskinThe Horla (voice)

Dick Wilson

Reginald Le BorgDirector

Robert E. KentScreenplay

Guy de MaupassantStory

Edward SmallProducer