Career
Mangan-Lawrence started her film career in 2005 with the short films, Simulation 1201 and Galore. This was followed by a starring role as Georgie, in the short film Sexy Thing, which was accepted into the Cannes Film Festival. Mangan-Lawrence was the cast in the 2008 horror film, Acolytes, directed by John Hewitt, premièred at the 2008 Toronto Film Festival.
In Acolytes, she played the role of Chasely, a naive and coquettish high school student.
She subsequently featured in Nash Edgerton"s film, The Square, as Lily. She was nominated for a Filmink award for "Best Australian Newcomer" for this performance.
In 2009, she appeared in the Australian period drama, Lucky Country, directed by Kriv Stenders. Mangan-Lawrence has featured in the Australian drama series, Bed of Roses, which screened on the American Broadcasting Company television network, playing Holly Atherton.
In 2012, Mangan-Lawrence starred in the feature-film, Thirst alongside Myles Pollard, Victoria Haralabidou, and Tom Green.
She also became a recurring cast member, Seppia, on the Starz television series, Spartacus: Vengeance.