How many movies have Isamu Tanonaka and Kenji Utsumi acted in together?

They have worked on 5 movies together! Their first movie together was The Wonderful World of Puss 'n Boots (1969) and was their highest rated movie together. They have not worked together since Dr. Slump and Arale-chan: Hoyoyo! The Treasure of Nanaba Castle (1984). They are most known for their animation films together.