Ruby of Karavahl (Radio Show)
The Precipice Called Death
Radio information

Blue Coal

  • Bill Johnstone
  • Marjorie Anderson
Aired date

January 21, 1940

Running time

30 min

Preceded by

Suicide Resort (Radio Show)

Followed by

Murder Host (Radio Show)


A "mountain of a man" is hypnotized to kill those who are named by his master. Soon after, a friend of Lamont's is alarmed when the strange man breaks into his house and attempts to strangle his maid. He fears his wife is next, and goes to the police for help.

Full CastEdit

Featured Characters:

Supporting Characters:


  • Dr. Vitor (dies)
  • An unnamed giant

Other Characters:

Notes and ReferencesEdit

  • Margot Lane kills the villain, Dr. Vitor, by firing a gun she believed was not loaded.


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