August 13, 1961 on CBS Radio. Mandell Kramer stars as Johnny Dollar. Murder and narcotics gets Dollar to a tiny Mexican town with an unusual name. Tri-Western Life Insurance Company calls our insurance investigator Johnny Dollar because one of their clients is mixed up in a narcotics incident and need Dollar's help. Mandel Kramer (March 12, 1916 – January 29, 1989) was an American TV actor and voice actor. As a voice actor, he is best known as the last Johnny Dollar from Yours Truly, Johnny Dollar radio show. For 20 years he played police chief Bill Marceau on The Edge of Night (1959–1979). His other roles in old-time radio included 130 episodes of CBS Radio Mystery Theater between 1974 and 1982.

https://en.wikipedia.org/wiki/Mandel_Kramer