Kimito Totani is a Japanese actor and voice actor from Tokyo, born on May 7, 1990. He began his career in the entertainment industry after winning second place in the first Amuse Prince Audition in 2005. He made his acting debut in 2007 and gained significant public recognition for his live-action role as Daiki Kaito, also known as Kamen Rider Diend, in the Kamen Rider Series franchise, starting with Kamen Rider Decade in 2009. Totani is the son of the late veteran voice actor Koji Totani.

Totani expanded his career to voice acting in the mid-2010s. His debut in anime was in 2016 with the role of Keigo Kazama in the idol-themed multimedia project Dream Festival!. In this series, he voiced a character who is a reserved and talented performer and a member of the unit KUROFUNE. The following year, he took on the role of Yusuke Kawakami in the horror anime King's Game The Animation. His other voice acting credits from this period include roles in the short-form anime Working Buddies! as Kameda and the polar bear, and a part in B-Project: Zecchō Emotion.

In addition to pure voice acting roles, Totani has frequently lent his voice to animated adaptations and spin-offs of the tokusatsu franchise that first made him famous. He has reprised his role as Daiki Kaito, providing the voice for Kamen Rider Diend, in various projects such as the anime series Kamen Rider Zi-O and Kamen Rider Outsiders. He also voiced a character in the anime adaptation of the manga High-Rise Invasion.

Throughout his career, Totani has been affiliated with different talent agencies. He was originally with Amuse, transferred to Aoni Production in late 2018, and has been working as a freelancer since August 2022.