- For the actor who appeared in Kamen Rider Den-O, see Yuki Sato (actor, born 1995).
Yuki Sato (佐藤 祐基 Satō Yūki, also written as Yuuki Sato) is a Japanese actor, who is best known for portraying Arata Kagami/Kamen Rider Gatack and performing one of the endings, LORD OF THE SPEED in Kamen Rider Kabuto.
Yuuki Sato reprised his role as Kamen Rider Gatack, alongside several other Kamen Rider alumni, in the video game Super Climax Heroes, which was released on November 29, 2012. 
He also reprised Gatack in Kamen Rider: Battride War.
He also reprised his role as Arata Kagami in Kamen Rider Zi-O
At one point he briefly used the stage names of Tomohito Sato (佐藤 智仁 Satō Tomohito) and Jin Sato (佐藤 汛 Satō Jin).