
A San Francisco airplane bound for South America crashes, and among the scorched debris is found a shrunken native human head, neatly packaged. The perplexed police contact a local anthropology museum about this unclaimed piece of grisly baggage, where they intersect with Jack and Doc, two private eyes, called there to meet a mysterious woman who had a case for them and wanted to meet in private.

as Jack Packard

as Janet Mitchell

as Rex Kennedy

as Doc Long

as Leon Hartman

as Det. Capt. Quinn

as Louise Mitchell

as Prof. Arthur Logan

as Curator Raymond Halliday

as Dr. Karger

as Nurse

as E. R. Willard

as Senor Mendoza

as John, butler

as Quentin Mitchell

as Introductory Narrator (voice)

as Frank, Willard's aide

as Closing-Time Museum Guard

as Brophy, museum watchman