Barlier was born to a mother from New Zealand who worked as a classical dancer and yoga teacher.
[1] In the 2006–07, she performed at Théâtre Montparnasse in Paris in La Danse de l'Albatros by Gérald Sibleyras.
[2] In 2007, she was seen as the much younger lover/muse Magda who entrances a middle aged artist in the touching film adaptation of the novel Conversations with My Gardener.
[1][2] In 2016, Barlier starred in Michael Bay's action film 13 Hours: The Secret Soldiers of Benghazi as Sona Jillani, an undercover CIA officer.
In 2019, she played the role of Juliette Dubrovsky in the mystery series La Dernière Vague.