Olivia Charlotte Swann (born 19 September 1992) is an English actress. She is known for her roles as Astra Logue in the CW science fiction series DC's Legends of Tomorrow (2018âÂÂ2022) and as Michelle Mackey in the Paramount+ series ' (2024âÂÂ).
Olivia was born in Lewisham, South London and grew up in Birmingham. She described herself as a "painfully shy child who kept to herself." She began taking acting classes at age 12 and then studied at the East 15 Acting School.
Swann's television career began with an appearance in the BBC One medical soap opera Doctors in 2018, in which she played Karinna Hailes. She gained wider recognition when she joined the cast of DC's Legends of Tomorrow on the CW in 2019 as a guest star in season four. She was promoted to a series regular in season five.
In 2023, Swann starred in the film River Wild alongside Leighton Meester and Adam Brody. She played the role of Karissa in the film, a thriller about a whitewater rafting trip gone wrong.
Also in 2023, Swann originated the role of NCIS special agent Michelle Mackey in the Paramount+ series ', a spin-off of the long-running series NCIS, and the fifth installment in the NCIS franchise.