From Wikipedia the free encyclopedia Harold John Hal Smith August 24 1916 January 28 1994 was an American character actor and voice actor Smith is best known as Otis Campbell the town drunk on The Andy Griffith Show and was the voice of many characters on various animated cartoon shorts He is also known to radio listeners as John Avery Whittaker on Adventures in Odyssey Smith is often wrongly given credit for the writing of the movie It Came from Beneath the Sea as well as ten other produced feature films The true cowriter of those movies is Harold Jacob Smith who wrote as Hal Smith until 1958 Description above from the Wikipedia article Hal Smith actor licensed under CCBYSA full list of contributors on Wikipedia