Director Jacques Audiard's previous film was the award-winning A Prophet.
Marion Cotillard forged a very strong realtionship with the killer whales on set.
The Katy Perry song Firework was used in Rust and Bone and it was also used in Madagascar 3.
Rust and Bone was named Best Picture at the London Film Fest.
The movie was filmed in eight weeks in parts of Antibes, Cannes, Belgium, Paris and northern France.