E. R. Fightmaster

Emmett Rogers Fightmaster, known professionally as E. R. Fightmaster, is an American non-binary actor, producer, and writer. Fightmaster is known for their work on Grey's Anatomy as Dr. Kai and through their solo music project Fightmaster with their 2023 EP Violence.

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Early life and education

Fightmaster grew up in Cincinnati, Ohio, attending the Seven Hills School. They then started college at the University of Cincinnati before moving to Chicago and earning a degree in women and gender studies from DePaul University.

Acting career

Fightmaster is a former member of The Second City's Chicago and touring companies. Their previous work includes performing with Boom Chicago, an English-language comedy troupe in Amsterdam, the Netherlands. In 2020, Fightmaster was named a CBS creative and writing team member to lead the studio's actors showcase, formerly known as the CBS Diversity Sketch Comedy Showcase.
Following a two-season stint on Hulu's Shrill in 2021, Fightmaster was cast in a recurring role on Grey's Anatomy as the show's first non-binary doctor.
Fightmaster was cast in the 2025 film Sorry, Baby, playing Fran.

Podcasting career

Beginning in 2024, Fightmaster has co-hosted Jockular, a queer and women's sports-centered podcast, alongside Tien Tran and Katie Kershaw.

Musical career

Aside from acting work, they are one half of the music duo "Twin." They also started a solo music project named FIGHTMASTER in August 2023, releasing their debut EP, "Violence," on October 20. In June 2024, they released "Bloodshed Baby", their second EP.

Personal life

Fightmaster is their real surname. "People will never stop asking me how it's spelled," they told the Chicago Tribune in 2018.