Michaela McManus (born May 20, 1983) is an American actress, known for her portrayals of Lindsey Strauss on One Tree Hill, Assistant District Attorney Kim Greylek on ', and Grace Karn on the NBC drama Aquarius.
In 2008, she joined the cast of season five of One Tree Hill playing Lindsey Strauss, the love interest of Lucas Scott (Chad Michael Murray). After completing her work on One Tree Hill, she booked a guest role on season five of '. She was subsequently announced as joining the cast of season ten of ' as Assistant District Attorney Kim Greylek. She was abruptly written out of SVU in the middle of season ten in which ADA Alexandra Cabot (Stephanie March) returned. However, McManus continued to be credited in season ten's main titles, and it was later confirmed that McManus would not be returning to SVU.
Since then, she has had guest roles in prime time shows such as Castle, , The Vampire Diaries, and Hawaii Five-0. She also appeared in the music video 'Glad You Came' by The Wanted. She starred as Tara on the NBC series Awake in 2012, and as Grace Karn on Aquarius in 2015. In 2017, McManus had supporting roles in SEAL Team as Alana Hayes, and The Orville as the Krill Teleya. She appeared in the short lived NBC series The Village as Sarah Campbell in 2019.
In November 2020, McManus was cast in a recurring role on the third season of the Netflix psychological thriller series You.
In September 2025, McManus joined the new Fox Television series Memory of a Killer in the recurring role of Nicky.
McManus married writer/producer Mike Daniels on June 3, 2011.
She is the sister of filmmakers Kevin and Matthew McManus.