Kansas City was the setting where Shields first ventured into the world of theatre, founding and actively participating in a group called The Playmakers, which showcased his talents on the stage. In addition to his theatrical pursuits, Shields also honed his skills as a newscaster, broadcasting on WDAF radio. A notable milestone in his career was announcing the historic plane flight of Germany's Graf Zeppelin over the United States in 1929.
As the years went by, Shields made the move to Hollywood, California, alongside his wife Karena, daughter Evelyn, and Ger, his wife. Upon arrival, he secured employment as the Station Manager for KTM Los Angeles. His professional trajectory continued to unfold, with Shields assuming the role of President of the American Federation of Radio Artists in 1939.
A significant chapter in Shields' career spanned from 1940 to 1965, during which he served as the announcer for the Alka Seltzer News on KHJ, Hollywood. His versatility as a performer was also showcased through his portrayal of Mr. Archer in the popular radio and television series "Meet Corliss Archer," which debuted in 1950.