Rust and Bone: Marion Cotillard on her role as killer whale trainer

Rust and Bone won the top prize at the recent BFI London Film Festival and is about to open in the UK.

Oscar-winning actress Marion Cotillard plays a killer whale trainer who has a terrible accident.

Cotillard and Matthias Schoenaerts told the BBC's Tim Masters about working on the film.

SPOILER ALERT! Do not hit play if you do not wish to know about the plot of Rust and Bone.