Mary Wiseman was born on July 30, 1985, and is an American actress best known for her role as Sylvia Tilly in Star Trek: Discovery. She grew up in Milford, Pennsylvania, and Gaithersburg, Maryland, as the youngest child of Dorothy and Kevin Wiseman, with three older brothers. She attended Quince Orchard High School, graduating in 2003, and later pursued a Bachelor of Fine Arts (BFA) in Theatre Arts at Boston University. Wiseman further honed her craft at Juilliard School’s Drama Division from 2011 to 2015, where she was classmates with fellow Star Trek: Discovery cast member Mary Chieffo.

     Wiseman’s early career was rooted in theater, performing in productions such as Sow and Weep (2008), I Wanted it to Have a How & I Wanted it to Have a Verb (2011), and Clybourne Park (2013). She worked with Playwrights’ theaters like PS 122, The Public, Soho Rep, and New York Theatre Workshop, showcasing her versatility on stage. Her television debut came with a role in Longmire, where she played Meg Joyce, a nurse and love interest for Archie "The Ferg" Ferguson.

     Her breakthrough came in 2017, when she was cast as Sylvia Tilly in Star Trek: Discovery. Tilly, a bright and ambitious cadet, quickly became a fan favorite, and Wiseman remained a central figure in the series until its conclusion in 2024. In 2024, it was announced that she would reprise her role in Star Trek: Starfleet Academy, continuing her journey within the Star Trek universe.

     Beyond Star Trek, Wiseman has appeared in films such as Marriage Story (2019) and Type 1 (2023). Her stage work continued with her portrayal of Carlo in the Off-Broadway play At The Wedding, earning her a Lucille Lortel Award nomination for Outstanding Lead Performer in a Play in 2022().

     In her personal life, Wiseman began dating actor Noah Averbach-Katz in 2013, whom she met at Juilliard. They married on February 16, 2019, but later divorced in 2023. Wiseman identifies as queer, stating that she has loved people of all genders and is proud of her identity.

     Wiseman continues to be an influential figure in science fiction, theater, and LGBTQ+ representation, balancing her work in television, film, and stage while advocating for inclusivity in the entertainment industry.