Ketchum studied physics at UCLA and joined other UCLA students in entertaining military personnel around the world for the USO.[3]
Ketchum had a radio program for seven years in San Diego, California.[4] On television, he portrayed Counselor Spiffy in Camp Runamuck.[2] He was also a regular on I'm Dickens, He's Fenster, playing the role of Mel Warshaw.[2]: 496-497
^ abcTerrace, Vincent (2011). Encyclopedia of Television Shows, 1925 through 2010 (2nd ed.). Jefferson, N.C.: McFarland & Company, Inc., Publishers. p. 155. ISBN978-0-7864-6477-7.
^Foster, Bob (August 30, 1965). "TV Screenings". The Times. California, San Mateo. p. 17. Retrieved August 31, 2018 – via Newspapers.com.
^Snyder, Daniel (Director, Writer) (2001-07-30). "Get Smart". Inside TV Land (Documentary). Season 2. Episode 2. 27:03 minutes in. TV Land.{{cite episode}}: CS1 maint: multiple names: authors list (link)