The Unknown
- Blwyddyn: 1964
- Gwlad: United States of America
- Genre: TV Movie, Horror, Science Fiction
- Stiwdio: Villa Di Stefano Productions, Daystar Productions, United Artists Television
- Allweddair: time travel, back from the dead, failed tv pilot, blackmailer, blind man, poisoned drink
- Cyfarwyddwr: Gerd Oswald
- Cast: Vera Miles, Barbara Rush, David McCallum, Cedric Hardwicke, Scott Marlowe