This episode: The Tell Tale Heart featuring Boris Karloff. An adaptation of Edgar Allan Poe's The Tell-Tale Heart. Simon is a former musician that went tone deaf. After spending six months with Doctor Adair, he now has exceptional hearing. He meets Oliver, another patient of the doctor, who was previously blind but now can see. Simon is filled with love having regained his hearing, but Oliver is still bitter from his previous blindness. Simon is very troubled to find out that Oliver wants to spread hate and misery when he kills a bird that Simon was trying to save. Simon decides that Oliver is a danger to society. Starring Boris Karloff (as Simon), Everett Sloane (as Dr. Adaire) and Santos Ortega. Written by Robert Newman. Aired on the Blue Network and sponsored by Carter's Little Liver Pills. Info on show: Inner Sanctum Mystery was a radio drama that originally aired on the Blue Network between January 7, 1941, and October 5, 1952. A total of 527 episodes were produced, but sadly, the majority are presumed to be lost. Less than 200 are known to exist today. A number of the episodes that exist are edited versions that were rebroadcast on Armed Forces Radio Service (AFRS) as part of Mystery Playhouse hosted by movie and radio great, Peter Lorre. These episodes edited out the commercials as well as the original introductions and postscripts by Raymond. They were replaced with an introduction by Peter Lorre.