

"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.
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Cast

Karen Morley
Rachel Martin

Jim Bannon
Jack Packard

Jeff Donnell
Nina Arnold

Mark Roberts
Reed Cawthorne (as Robert Scott)

Robert Wilcox
Richard Arnold

Barton Yarborough
Doc Long

James Bell
Edward Martin

Wilton Graff
Ralph Martin

Helen Freeman
Phoebe Martin

Robert Kellard
James Wetherford (as Robert Stevens)
J. Louis Johnson
Joshua (uncredited)
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