Guest starred on the radio drama "Nightbeat," which starred Frank Lovejoy.
Also appeared regularly on the radio program, "Have Gun Will Travel".
"Gunsmoke" (CBS Radio series 1952-1961) Various episodes.
He was the announcer, narrator and Petri wine pitchman on Mutual Radio's "The New Adventures of Sherlock Holmes" (1945-1946). On the program, Dr. Watson would relate a Sherlock Holmes story to Bartell, almost always over a glass of Petri wine.
He was the fifth actor to portray Archie Goodwin on NBC Radio's "The New Adventures of Nero Wolfe" (1951). He tied for the most episodes as Goodwin on the program.
Continued in network radio with CBS through the 1960s as an announcer on short feature shows such as "Dear Abby", broadcast on CBS Radio affiliates coat-to-coast.