Where to watch in Canada
Checked October 11, 2026
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Availability history in Canada
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Overview
"The Unknown" was the final entry in Columbia’s I Love A Mystery series. A woman hires two detectives to keep her alive long enough to claim her inheritance.
Cast
Karen MorleyRachel Martin
Jim BannonJack Packard
Jeff DonnellNina Arnold
Mark RobertsReed Cawthorne (as Robert Scott)
Robert WilcoxRichard Arnold
Barton YarboroughDoc Long
James BellEdward Martin
Wilton GraffRalph Martin
Helen FreemanPhoebe Martin
Robert KellardJames Wetherford (as Robert Stevens)
J. Louis JohnsonJoshua (uncredited)
If you like The Unknown
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