[4] King began acting with a stock theater company while he was a college student and went on to other theatrical productions until he became active in radio.

[2] On network radio, King was the leading man on Romance, Inc.[6] and was the master of ceremonies for Saturday Night Party.

Programs for which he was the announcer included Ziegfeld Follies of the Air,[7] The Lanny Ross Show,[8] Palmolive Beauty Box Theater,[9]: 532  Myrt and Marge,[9]: 474  Clara, Lu, and Em,[9] The Shadow,[10] Gang Busters, John's Other Wife, The Lamplighter, and The Voice of Experience.

[2] King was named program director of radio station KDYL in Salt Lake City, Utah, on February 11, 1950.

[15] King was director of public relations for the Buckley-King company in Tacoma,[11] and he was a writer who contributed articles to Radio Digest and other magazines.