Hannibal's TV acting debut was in 1963 on "CBS Repertoire Workshop", where he narrated the story of the historical Dred Scott Supreme Court case. He starred in several variety shows, including "Hannibal's Trunk". He had guest appearances in a number of television series including
Dragnet 1967,
Marcus Welby, M.D.,
Columbo, a number of
Adam-12 episodes and in
Mission Impossible,
McCloud,
Kojak and others. He produced and starred in the Las Vegas variety show
On the Strip. Hannibal also appeared in feature films such as
Airport and starred as a gladiator superhero in the 1974 film
Super Stooges vs. the Wonder Women. ==Singing career==