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The Unknown
- Año: 1964
- País: United States of America
- Género: Película de TV, Terror, Suspense
- Estudio: Villa Di Stefano Productions, Daystar Productions, United Artists Television
- Palabra clave: time travel, back from the dead, failed tv pilot, blackmailer, blind man, poisoned drink
- Director: Gerd Oswald
- Emitir: Vera Miles, Barbara Rush, David McCallum, Cedric Hardwicke, Scott Marlowe