Character
Sai
Sai in Naruto: Shippūden (2007), played by Satoshi Hino.
Sai Yamanaka (山中サイ, Yamanaka Sai) is the Anbu Chief of Konohagakure's Yamanaka clan. Prior to this, he was a Root member. As per standard Root training, Sai was conditioned to remove all emotions and as such, had difficulty connecting with others.