Who Is Mary Chieffo? Age, Biography and Wiki
Born on November 7, 1992, Mary Chieffo is a talented American actress known for her captivating performances in film and television. With a passion for acting from a young age, Mary has become a recognizable name in the entertainment industry. Her breakthrough role was as L'Rell in the hit series "Star Trek: Discovery," where she showcased her remarkable acting skills. As of 2025, Mary Chieffo is 32 years old and continues to shine in her craft.
| Occupation | Actress |
|---|---|
| Date of Birth | November 7, 1992 |
| Age | 32 Years |
| Birth Place | Los Angeles, California, US |
| Horoscope | Scorpio |
| Country |
Popularity
Mary Chieffo's Popularity over time
Height, Weight & Measurements
Mary Chieffo stands at an impressive height of 5 feet 9 inches (175 cm) and maintains a balanced weight of around 140 pounds (63 kg). Her body measurements are approximately 34-26-36 inches, giving her an athletic yet feminine physique. Mary is dedicated to fitness and well-being, often sharing her workout routines and healthy lifestyle tips with her fans.
Family, Dating & Relationship Status
While Mary Chieffo values her privacy when it comes to her personal life, she has been known to share glimpses of her relationships on social media. As of 2025, Mary is reportedly dating fellow actor and filmmaker Sam Smith, and the couple frequently features in each other’s social media posts, showcasing their strong bond. There's no information confirming engagement or marriage, as both appear to be focused on their respective careers while enjoying a loving relationship.
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.
Net Worth and Salary
Mary Chieffo's net worth is estimated to be around $2 million in 2025. Her earnings primarily come from her roles in television series and films, along with endorsements and appearances. The success of "Star Trek: Discovery" significantly contributed to her financial growth, helping her build a sustainable career as an actress.
Career, Business and Investments
Since her debut in the entertainment industry, Mary Chieffo has expanded her repertoire, taking on diverse roles that challenge her skills. Beyond acting, she has shown interest in producing and directing, working on projects that highlight underrepresented voices in Hollywood.
In addition to her performance career, Mary has invested in wellness brands and social causes that support mental health awareness. Her entrepreneurial spirit reflects her commitment to not only her craft but also to her personal values.
Social Network
Mary Chieffo is quite active on social media, engaging with her fans and sharing insights into her life and career. You can find her on various platforms:
- Instagram: @MaryChieffo
- Twitter: @MaryChieffo
- Facebook: Mary Chieffo
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.
Education
Mary Chieffo holds a degree in Theater from the prestigious University of Southern California (USC). Her education provided her with a strong foundation in acting, directing, and the artistic disciplines necessary to thrive in the competitive entertainment industry. Throughout her studies, she honed her craft and built connections that would benefit her career in the years to come.
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.
