Her TV debut in 2012 was in the ITV two-part miniseries ‘A Mother’s Son’, where she played alongside Martin Clunes and Hermione Norris. In 2015, she appeared in the BBC costume drama ‘The Musketeers’. Her film debut was in ‘The Falling’ (2014). In the same year she starred as Lydia Bennett, the youngest of the Bennett sisters in ‘Pride and Prejudice and Zombies’, starring alongside Lily James, Douglas Booth, Sam Riley and Matt Smith. In 2015, she was chosen as one of the British Film Institute and Screen Daily – Screen Stars of Tomorrow. In parallel with her musical theatre, TV and film career she has collaborated in the creation of the band Annoy the Boy, co-writing original numbers and releasing an EP on Union Records.

In 2016, she appeared in Tom Ford’s ‘Nocturnal Animals’, playing the daughter of Jake Gyllenhaal and Isla Fisher’s characters, in a film also starring Amy Adams. Also that year, she filmed the feature film ‘Extracurricular Activities’, which will be released in 2019. In 2017 she also filmed ‘High Resolution’ based on the book Taipei by “Tao Lin”. ‘High Resolution’ was released in 2018 exclusively on Showtime.

In 2017, Bamber appeared in the music video for Shawn Mendes’ song ‘There’s Nothing Holdin’ Me Back’.

In 2018 Ellie was in ‘The Nutcracker and the Four Realms’, alongside Keira Knightley and Morgan Freeman. In 2019 she plays Cosette in BBC 1 television series ‘Les Misérables’ with Dominic West and Olivia Coleman. Between 2019 and 2020 it can be seen in the feature films ‘The Seven Sorrows of Mary’ by the Portuguese director Pedro Varela and in ‘The Show’, written by Alan Moore and directed by Mitch Jenkins. Then in the BBC 1 television series, ‘The Trial of Christine Keeler, a take on the political sex scandal that rocked the British establishment in the Sixties, written and directed by women. Ellie will be Mandy Rice-Davies alongside Sophie Cookson and James Norton.