Mary Elizabeth Chieffo (born November 7, 1992) is an American actress known for portraying the KlingonL'Rell on the television series Star Trek: Discovery.[1]
Chieffo came out publicly as a lesbian on the red carpet prior to the Star Trek Day event held September 8, 2021, at the Skirball Cultural Center in Los Angeles, California.[6] She later clarified that she identifies as "panromanticdemisexual and proudly in a lesbian relationship".[7] A few days later, she confirmed via her Twitter feed that she was dating writer and actor Madi Goff.[8] Chieffo wrote the introduction essay for the 2023 edition of Marvel's Voices: Pride #1,[9] reflecting on the need for queer representation in media.[10]
Career
Her first high profile acting position was on Star Trek: Discovery, where she played the recurring character of L'Rell, a Klingon warrior and spy who becomes leader of the Klingon Empire at the end of Season 1.[11] Her writing and producing debut was Operation Othello, a virtual reality adaptation of Shakespeare's Othello, where she also plays Lt. Iago in a gender twist from the original play.[12] In 2022 she reprised her role as Iago in "Iago: The Green Eyed Monster", a 6-minute futuristic musical AR prequel to Othello, nominated for "Best Immersive Experience" in the 2022 Tribeca Festival.[13] In 2024, she voiced a Klingon in an episode of the animated show Star Trek: Lower Decks.