[1] He was also a prolific radio actor, and provided the voice of the Doorknob in the 1951 animated Disney film, Alice in Wonderland.

[1] Kearns joined the staff of radio station KSL in Salt Lake City in 1930 remaining there until 1936 when he moved to Los Angeles.

On Suspense, he was almost a mainstay, heard regularly as the host "The Man in Black" in the early years, announcing many episodes in the later run, and playing supporting and occasional lead roles in hundreds of shows throughout the series' tenure in Hollywood, from judges to kindly old-timers to cowards.

He appeared on The George Burns and Gracie Allen Show a total of 11 times, The Adventures of Ozzie and Harriet a total of 16 times, I Love Lucy, My Little Margie, Perry Mason, I Married Joan, Willy, December Bride, It's a Great Life, Angel, Gunsmoke (1958 as banker "Mr. Papp" in The Big Con - S3E34), and General Electric Theater.

Kearns' final role was as George Wilson, the grouchy, cantankerous neighbor on CBS's Dennis the Menace based on the comic strip by Hank Ketcham.

Kearns and Gordon had worked together prior to Dennis the Menace, on the old radio show The Cinnamon Bear and in the 1956 film Our Miss Brooks.