The Hardy Boys / Nancy Drew Mysteries

The Mystery of the Diamond Triangle

E4    Feb 20, 1977    48m
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After Nancy and her girlfriend, George, see an automobile run off the road. Nancy tells her boyfriend, Ned Nickerson, to report it to the sheriff. Later the sheriff tells Nancy that his men could not find any signs of an accident, and that the road has been closed for a long time. Nancy attempts to unravel the bizarre occurrence on her own, and soon finds herself in the midst of danger.
Where to Watch The Mystery of the Diamond Triangle
Cast of The Mystery of the Diamond Triangle
  • Shaun CassidyJoe Hardy
  • Parker StevensonFrank Hardy
  • Pamela Sue MartinNancy Drew
  • Robert Karnes
  • Gordon Jump
  • Len Lesser
  • Brian ByersMorgan

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