The Unknown
- Horror
- Mystery
- Thriller
"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.
- Directed by
- Henry Levin
- Written by
- Malcolm Stuart Boylan, Julian Harmon
Cast
- Karen Morley
- Jim Bannon
- Jeff Donnell
- Mark Roberts
- Robert Wilcox
- Barton Yarborough
- James Bell
- Wilton Graff
- Helen Freeman
- Robert Kellard
- J. Louis Johnson
Journey to the Center of the Earth