In October 1980, Williams was host of the "Mickey Mouse Club 25th Anniversary Special" on NBC-TV. He stated that he tried out for the show in early 1955 and was turned down. He was a frequent guest and performer on The "Tonight Show Starring Johnny Carson". He also appears as the man making the phone call at the beginning of the music video for Hank Williams Jr.'s song "All My Rowdy Friends Are Coming Over Tonight". In 2014, he appeared on "Community" as an illegal textbook dealer who declines to purchase a batch of misprinted chemistry textbooks. Williams appeared in the 2017 film "Baby Driver" as the Butcher, an arms dealer.