Don Knotts portrayed Luther Heggs in The Ghost and Mr. Chicken.
 In 1972, Knotts voiced an animated version of himself in two episodes of The New Scooby Doo Movies: "The Spooky Fog of Juneberry", in which he played a lawman resembling Barney Fife, and "Guess Who's Knott Coming to Dinner"
 It was produced by Martin Rips and Joseph Staretski, who had previously worked on Three's Company

