|This article is about a/an singer and actor in the Kamen Rider Series.|
Isao Sasaki (ささき いさお（佐々木 功） Sasaki Isao) is a Japanese voice actor, actor, and vocalist. One of his best known anime voice roles was his protrayal of Joe Asakura/Joe the Condor from Gatchaman.
In Kamen Rider Series, he sang two songs for Kamen Rider in year 1979. He also has had acting roles in feature films of the franchise, first as Dr. Mochizuki in Kamen Rider ZO and adult Naoki in OOO, Den-O, All Riders: Let's Go Kamen Riders.
Kamen Rider (1979)
- The Man's Name is Kamen Rider (男の名は仮面ライダー Otoko no Na wa Kamen Raidā)
- Shine! 8 Riders (Movie Version) (輝け!8人ライダー Kagayake! Hachinin Raidā)