Bartlett Robinson

Perry Mason is a radio criminal serial based on the novels of Erle 
Stanley Gardner,and was broadcast on CBS Radio from October 18, 
1943 to December 30, 1955. The actors playing Mason changed
frequently during the shows run, beginning with Bartlett Robinson,
then Santos Ortega and Donald Briggs, before settling on John
Larkin, who portrayed the attorney until the end of the series
run. Della Street was played numerous actors including, Gertrude
Warner, Jan Miner, and Joan Alexander who was radio’s Lois Lane
on Superman. Sponsor of the show was General Foods, Tide.

Gertrude Warner with Santos Ortega (right) 

John Larkin

Elvis Presley’s first major musical exposure was on October 16, 1954 when he
made his first radio appearance on the Louisiana Hayride. He earned the sum
of $18 and his sidemen, Bill Black and Scotty Moore, were each paid $12. The
show was broadcast on Shreveport radio station KWKH-AM.

 
 
Bob Elliott (born 1923) and Ray Goulding (1922-1990). The teams
career spanned five decades. 

Mr. Keen, Tracer of Lost Persons was one of radio’s longest running shows,
airing for 15-minutes on Tuesday October 12, 1937 to April 19, 1955. It was
first heard on the NBC Blue network until 1947, when it switched to the CBS
radio network becoming a weekly half-hour show. Bennett Kilpack (above)
was the original detective Mr. Keen and Phil Clarke took over the role late
in the series run.

Ann Thomas and Bennett Kilpack (1947, CBS)

Cavalcade of America is an anthology drama series that documented historical
events and occasionally presented a musical, such as an adaptation of Show 
Boat. The show was sponsored by the DuPont Company and debuted on 
Wednesday October 9, 1935 and ran till March 31, 1953. DuPont’s motto,
"Maker of better things for better living through chemistry," was read at the  
beginning of each program. It featured numerous Broadway and Hollywood
stars. The show was also on CBS television from 1952 to 1957.   
.

Bill Johnstone and Jeanette Nolan of the Cavalcade of America dramas