I Love A Mystery is considered by many to be the greatest radio adventure serial 
of all time. The show was written and directed by Carlton E. Morse and first aired 
on the NBC West Coast network from Monday, January 16, 1939, weekdays at 
3:15pm Pacific time. It went full NBC network coast to coast from October 2, 1939 
March 29, 1940.

The central characters are, Jack Packard (played by Michael Raffetto), Doc Long 
(portrayed by Jim Boles) and Reggie York.The three men first met as mercenary 
soldiers fighting the Japanese in China. They meet again in San Francisco and
decide to form the  A-1 Detective Agency. 

Michael Raffetto

Jim Boles

Carlton E, Morse