The title  role of  Yours Truly Johnny Dollar was played by 8 actors over the 14 year run :   Dick Powell  played the role on a single episode on July 12, 1948 (Audition Broadcast)  Charles Russell played the role from Jan 14, 1949 (Episodes 1-34)  Edmond O'Brien  played  Johnny Dollar   from Feb 3, 1950 on (Episodes 35-139)  John Lund took the role on Nov 24, 1952 (Episodes 140 - 232)  Gerald Mohr  played the role on a single audition episodes on August 29, 1955   Bob Bailey  assumed the role of  Johnny Dollar  on Oct 3, 1955 (Episodes 233 - 716)  Robert Readick took the title role on April 12, 1960 (Episode 717 - 744)  Mandel Kramer  was the final Johnny Dollar on June 18, 1961 (Episode 745 - 811)    Yours Truly Johnny Dollar  was one of the longest running and final old time radio detectives  during the golden age of radio!  
Old Time Radio Shows from the Golden Age of Radio