She is known for her roles in the BBC Two drama Desperate Romantics (2009),[2] the police procedural WPC 56 (2013–2014), and the History Channel series Vikings (2015–2019).
Her first major was as artists' model Annie Miller in the six-part BBC Two period drama Desperate Romantics (2009) about the Pre-Raphaelite Brotherhood.
[4] Jacques has also appeared in Casualty on BBC1, where she played Lily Knowles, the carer of Megan Roach, in the episode "Nice and Easy Does It" broadcast on 7 August 2010.
[citation needed] Jacques appeared in an episode of Father Brown in 2013, and was then cast as the lead actress in the BBC afternoon series WPC 56, about a woman police constable in the male-dominated world of 1956.
[8] In a 2021 interview with The Sunday Times, she opened up about the ME/CFS and post-exertional malaise she developed after coming down with a severe bout of Epstein–Barr virus in early 2019.