Joseph Sherrard Kearns (February 12, 1907 – February 17, 1962) was an American actor, who is best remembered for his role as George Wilson ("Mr. Wilson") on the CBS television series Dennis the Menace from 1959 until his death in 1962. He was also a prolific radio actor, and provided the voice of the Doorknob in the 1951 animated Disney film, Alice in Wonderland.