Charlie Chan at the Wax Museum* is not only set in a wax museum but features a radio show aired by remote broadcast.
(Courtesy of www.charliechan.info)
The technitian, Tom Agnew (on the right), also "appeared in scores of programs from radio's "Golden Age", such as "X Minus One", "Inner Sanctum Mysteries", the "Shadow", the "Mysterious Traveler", the "Whistler", and "Suspense". In addition to appearing in may episodes of the latter series, Mr. Osborne also played its host/narrator, "The Man in Black", early in the run, in 1942 - 1943.
(Courtesy of www.imdb.com)
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*Our Monday Night Chat Room Movie at www.charliechan.info, 8:00 P.M. to 10:00 P.M. (EDT), our tapes/DVDs starting at 8:30.