Japanese film director and screenwriter of anime. He is known for directing the Animerama film series conceived by Osamu Tezuka. Yamamoto directed ten films between 1962 and 1986. His 1973 film Kanashimi no Belladonna was entered into the 23rd Berlin International Film Festival. Besides film work Yamamoto also served as director on the anime television, Space Battleship Yamato and wrote the screenplay for the 1977 film adaptation.