Mary Chieffo

• Name — Mary Chieffo • Born — 7 November 1992 • Birthplace — Los Angeles, California, US • Education — Juilliard School (BFA) • Occupation — Actress • Years Active — 1998–present • Mother — Beth Grant

Chieffo was born on November 7, 1992, in Los Angeles, California. She grew up in the neighborhood of Valley Village, Los Angeles in California, only daughter of actors Michael Chieffo and Beth Grant. She attended the Drama division of Juilliard School in New York City, earning a Bachelor of Fine Arts degree in 2015. One of her classmates was future Star Trek: Discovery castmate Mary Wiseman. 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. She later clarified that she identifies as "panromantic demisexual and proudly in a lesbian relationship". A few days later, she confirmed via her Twitter feed that she was dating writer and actor Madi Goff. Chieffo wrote the introduction essay for the 2023 edition of Marvel's Voices: Pride #1, reflecting on the need for queer representation in media.

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. 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. In 2022, she reprised her role as Iago in Iago: The Green Eyed Monster, a six-minute futuristic musical AR prequel to Othello, nominated for "Best Immersive Experience" in the 2022 Tribeca Festival. In 2024, she voiced a Klingon in an episode of the animated show Star Trek: Lower Decks.

Film and television • Year — Title — Role — Notes • 2017–19 — Star Trek: Discovery — L'Rell — recurring character (13 episodes) • 2020 — Operation Othello — Ensign Iago — VR TV movie, she was also the writer and producer. • 2022 — Iago: The Green Eyed Monster — Iago — VR short movie, she was also the writer and director. • 2024 — Star Trek: Lower Decks — K'Elarra — Voice, Episode: "A Farewell to Farms"

The following works and productions are recorded by name or by count. Recorded with the occupation actor. It is also recorded that mary Chieffo is recorded with the occupation television actor. Institutional cataloguing adds that mary Chieffo is recorded with the occupation film actor. Recorded with the occupation film director. It is also recorded that mary Chieffo is recorded as a citizen of United States. The register further records that mary Chieffo is recorded with the gender female. Institutional cataloguing adds that mary Chieffo was born on 7 November 1992.