Sasaki has had voice roles in anime such as Legend of the Galactic Heroes, Space Battleship Yamato, and Gatchaman.
He has also performed the opening themes for anime such as Yamato, Star of the Giants, Getter Robo, Casshern, Grendizer, Gaiking and tokusatsu series such as Himitsu Sentai Gorenger, J.A.K.Q.
[1] Sasaki played the leading roles in seven films when he was an actor under contract with Shochiku studio.
[2] In 1969, he landed lead role on the TV jidaigeki Yōjutsu Bugeichō.
Dengekitai (1977) Mazinger Z (English Version, 1977) Starzinger (1978) Message from Space: Galactic Wars (1978) Galaxy Express 999 (1978) Tōshō Daimos (1978) Science Ninja Team Gatchaman II (1978) Farewell to Space Battleship Yamato (English Version, 1978) The 6 Ultra Brothers vs. the Monster Army (1979) The Ultraman (1979) Gatchaman Fighter (1979) Kamen Rider The Movie Eight Riders vs. Gingaoh (1980) G-Men '75 (1979–80) Space Emperor God Sigma (1980) Choujinki Metalder (1987) Gekigangar 3 (OVA, 1998) Ultraseven 1999 The Final Chapters (1999) Ultraseven 35th Anniversary EVOLUTION (2002) The Galaxy Railways (2003) Tokusou Sentai Dekaranger (2004) Romance of the Three Kingdoms (Japanese Version, 2010) Space Battleship Yamato 2199 (2013) Tokusou Sentai Dekaranger 10 YEARS AFTER (2015) Space Battleship Yamato 2202 (2017) Kikai Sentai Zenkaiger (2021)