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. Earning relatively little notice during its initial
run, Quiet, Please has since been praised as one of the finest efforts of the golden age of American radio drama. Professor Richard J. Hand of the University
of Glamorgan, in a detailed critical analysis of the series, argued that Cooper and Chappell "created works of astonishing originality"; he further describes
the program as an "extraordinary body of work" which established Cooper "as one of the greatest auteurs of horror radio." Similarly, radio historian Ron Lackmann
declares that the episodes "were exceptionally well written and outstandingly acted", while John Dunning describes the show as "a potent series bristling with rich imagination."