Cast

Boris Karloff

Matthias Morteval

Julissa

Lucy Durant

Andrés García

Charles Beasley

José Ángel Espinosa 'Ferrusquilla'

Dr. Emery Horvath (as Ángel Espinoza)

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Beatriz Baz

Cordelia Rash

Quintín Bulnes

Ivar Morteval

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Manuel Alvarado

Morgenstern Morteval

Arturo Fernández

Fodor

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Carmen Velez

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Felipe de Flores

Crew

Juan Ibáñez

Director (Directing)

Jack Hill

Director (Directing)

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Luis Enrique Vergara

Producer (Production)

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Tony Ramirez

Makeup Artist (Costume & Make-Up)

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José Méndez

Art Direction (Art)

Jack Hill

Screenplay (Writing)

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Stim Segar

Other (Directing)

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Enrico C. Cabiati

Music (Sound)

Octavio Ocampo

Art Direction (Art)

Octavio Ocampo

Screenplay (Writing)