She is known for her performances as Prince Harry's republican girlfriend in the 2017 BBC television film King Charles III, and as Viola in the 2017 production of Twelfth Night at the National Theatre cinecast internationally on NT Live.
[6] In December 2018 she starred as Miss July, a former slave on a sugar plantation in 19th-century Jamaica, in the three-part BBC adaptation of Andrea Levy's novel The Long Song.
[12] Lawrance began her professional career filming in the 2016 BBC miniseries Undercover, starring Adrian Lester and Sophie Okonedo; she played their eldest daughter Clem.
The experimental play received somewhat mixed reviews but Lawrance was widely praised, described as "extraordinary" (WhatsOnStage),[14] "superb" (The Stage),[15] and having "astonishing candour and directness" (The Guardian).
[16] The Hollywood Reporter wrote that Lawrance was "required to switch fluidly among different accents and emotional registers, with the most weighty dramatic monologues resting on her young shoulders.
The work is a Shakespearean-style future history imagining of the current British royal family; The Guardian noted that "It's Lawrance who makes the blank verse sound least theatrical and most natural.
In December 2018 Lawrance starred as a slave on a sugar plantation in 19th-century Jamaica in the three-part BBC adaptation of Andrea Levy's novel The Long Song; her co-stars were Jack Lowden and Hayley Atwell.