As an Actress, Jammal has appeared in a number of different projects, from feature films to shorts, to TV shows. Her breakout role was in 2010's Carlos, followed by legendary horror Director Tobe Hooper's Djinn in 2012. In 2012, she was also part of the cast for Kanye West's debut short film screened at the Cannes Film Festival, Cruel Summer. In 2014 she starred with Liam Neeson in A Walk Among the Tombstones (2014). Her latest project is Robert Guédiguian's Don't Tell Me The Boy Was Mad, which will premiere at the 2015 Cannes Film Festival.