was a leading Japanese actor. His film credits span three decades, from 1960 to 1990. One of his prominent appearances was in the lead role in '. Suga also appeared in The Gate of Youth, Sword of the Beast, and Theater of Life. He also portrays Souichiro Akizuki- the father of Nobuhiko, Kyoko and also the foster father of the protagonist Kotaro Minami in the tokusatsu series Kamen Rider Black.
A frequent television guest star, Suga acted in jidaigeki and contemporary shows. Twenty appearances on Abarenbà  Shà Âgun, thirteen on Zenigata Heiji, eleven on Momotarà Â-zamurai, nine on à Âoka Echizen, seven on Edo o Kiru, and numerous guest roles on various programs in the Mito Komon and Hissatsu series top his list of roles.
On the night of March 16, 1994, while returning home in Aso Ward, Kawasaki City, Kanagawa Prefecture, he was struck by a motorcycle at a pedestrian crossing in front of his residence and sustained a severe head injury. He was taken to Yokohama New Urban Neurosurgery Hospital in Midori Ward, Yokohama City, where he died on March 22 from a brain contusion at the age of 59.
A private burial was held on March 23, and news of his death was reported in newspapers on March 24 and widely covered on March 25. A public funeral and farewell ceremony took place on April 10 at the Yamaguchidai Kaikan in Kawasaki City, with Masao Sato, director of the Toei Kyoto Studio, serving as funeral chairperson.