Mantock primarily works in television, starring as main character
Scarlett Conway in
Casualty, before she graduated drama school. Mantock then had a role in the 2017 film
Breaking Brooklyn, and filmed her main role in
Age Before Beauty. In March 2018, she was cast in the lead role of
Macy Vaughn in
The CW's fantasy drama series
Charmed, a reboot of the
1998 series of the same name. The reboot centers on three sisters in a college town who discover they are witches. In July 2021, Mantock announced that she would be departing
Charmed before the airing of the third season finale. She also appeared in the supporting role of Miss Clara in the 2018
BBC adaptation of
Andrea Levy's novel
The Long Song, set in 19th-century colonial Jamaica. In 2023, Mantock made her
Royal Shakespeare Company debut as Agnes/
Anne Hathaway in their production of
Hamnet (co-produced by
Sam Mendes’ Neal Street Productions). Based on the best-selling novel by
Maggie O'Farrell,
Hamnet is adapted by
Lolita Chakrabarti (
Life of Pi) and directed by Erica Whyman. After a sold-out run at the RSC,
Hamnet transferred to the West End, for a run at the
Garrick Theatre from 30 September 2023 to 17 February 2024. ==Filmography==