Mason Adams was well known for playing Pepper Young on the popular radio soap opera series Pepper Young's Family throughout the 1940 and 1950s. He was also heard on most of the successful radio programs during radio's "Golden Age." In the 1970s, Adams was frequently heard on Himan Brown's CBS Mystery Theater radio series. He had a regular running role on the Lou Grant TV series for several seasons and appeared in hundreds of other television series throughout the 1950s, '60s, '70s and '80s and '90s and can still can be seen playing featured roles in films and on TV.