[2] The following year, Bellini starred in Mario Camerini's Il signor Max.
Through the years, he provided voice acting work for films directed by Federico Fellini, Bruno Bozzetto, Giuliano Cenci, Gibba and Guido Manuli.
His most famous Italian dubbing roles included John Bosley (portrayed by David Doyle) in Charlie's Angels and HAL 9000 in the 1968 film 2001: A Space Odyssey.
[2] Bellini was the official Italian voice of Donald O'Connor and he also dubbed James Tolkan and Elisha Cook Jr. in some of their films.
[2] In his animated roles, Bellini performed the Italian voices of Roger Radcliffe in One Hundred and One Dalmatians, Nutsy in Robin Hood and a Fox in Mary Poppins.