Quiet Please (1947-49)

Quiet, Please! was a radio fantasy and horror program created by Wyllis Cooper, also known for creating Lights Out. Ernest Chappell was the show's announcer and lead actor. Quiet, Please! debuted June 8, 1947 on the Mutual Broadcasting System, and its last episode was broadcast June 25, 1949, on the ABC. A total of 106 shows were broadcast, with only a very few of them repeats. -wikipedia.org

Episode: Nothing Behind the Door