Paul Naschy

Paul / Alaric de Marnac

Julia Saly

Geneviève

Lola Gaos

Mabile

Silvia Miró

Mireille

Frances Ondiviela

Julie

Manuel Zarzo

Dr. Lacombe

José Vivó

Dr. Rigaud

Charly Bravo

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José Sacristán

Alain

Salvador Sáinz

Priest

Carole Kirkham

Alaric's wife (uncredited)