Ritsu Ohtomo (大友律), born on November 16, 1991, in Tokyo, Japan, is a Japanese actor recognized for his roles in both film and television. Standing at 168 cm, Ohtomo has portrayed a variety of characters across different genres. In the 2020 film Theater (Gekijō), directed by Isao Yukisada, Ohtomo contributed to a narrative exploring the complexities of a playwright’s relationship with his girlfriend, highlighting the struggles of artistic ambition and personal connections. Additionally, Ohtomo appeared in the live-action adaptation of Keep Your Hands Off Eizouken! (Eizōken ni wa Te o Dasu na!) in 2020, a story centered around three high school girls who come together to create their own anime, emphasizing creativity and collaboration.

In 2024, Ohtomo took on a role in the medical drama series Unmet: Aru Nōgekai no Nikki (Unmet: Diary of a Neurosurgeon), which aired on Fuji TV and Kansai TV. The series follows Kawauchi Miyabi, a neurosurgeon who, after an accident, suffers from anterograde amnesia, impacting her ability to form new memories. Ohtomo’s involvement in this series adds to his repertoire of performances that delve into complex human experiences and emotional narratives.