He was a director of TV shows including The Andy Griffith Show, The Dick Van Dyke Show, Hogan's Heroes, Get Smart and Bewitched, and of feature films, including: With Six You Get Eggroll, Don't Drink the Water and his favorite, Who's Minding the Mint? (But he actually made the real money helming commercials -- hundreds of them, including many of the classics for McDonald's in the sixties. They made one of his many ex-wives very wealthy.)
He was a voiceover actor, speaking for many characters including Jet Screamer and other roles on The Jetsons, Beetle Bailey, Jughead on the Archie shows, Atom Ant, Mr. Peebles on the Magilla Gorilla show, Wade Duck on Garfield and Friends, and hundreds of others. (But he actually made the real money voicing commercials. Remember the little koala who said he hated Qantas Airlines? That was Howie, and the role made another of his many ex-wives very wealthy.)
He was an on-camera actor, with credits ranging from The Nutty Professor with Jerry Lewis to High Anxiety with Mel Brooks and Splash with Tom Hanks. (But the thing everyone remembers is Ernest T. Bass, the rock-tossing misfit on The Andy Griffith Show.