The Shadow Wiki
Shadow Knows (Diana Cohen).jpg
Heartbeat of Death
Radio information
  • Script: Judith Bublick & David Bublick
Aired date

September 5, 1954

Running time

29:40 min

Preceded by

The Blackball Murder (Radio Show)

Followed by

No Corpse for the Killer (Radio Show)


The Shadow must decide whether an old woman is really being threatened with murder, as she insists, or is mentally unbalanced.

Full Cast[]

Featured Characters:


  • Fred Sefton (Aunt Heppie's nephew; dies)

Other Characters:

  • Commissioner Weston (mentioned only)
  • Aunt Heppie Sefton (dies)
  • Sally Sefton (Aunt Heppie's sister)
  • Dr. Cunninham (family physician)
  • Adam (Aunt Heppie's hired help)

Notes and References[]


Radio scripts reprinted in The Shadow Knows...
* Death by Chapter * The Blackball Murder * Heartbeat of Death * The Horror in the Night * Murder Before the Storm * Murder in the Sun * The Vision of Death * The Case of the Dead Man's Shoes * The Final Hour * The Hands of Death * The Case of the Vanishing Killer * The Master of Torture * The Nightmare Combination * Tunnel of Terror * The Bells of St. Peter's