It's Scarlett Johansson vs Rachel McAdams

Hollywood actresses Scarlett Johansson and Rachel McAdams are reportedly competing to star opposite Matt Damon in a new film We Bought A Zoo directed by Cameron Crowe.

Contactmusic.com reports the actor to take the lead role in the film has drawn up a shortlist of actresses he wants for the main female part.

The film has been adapted from Benjamin Mee's book about the project he undertook with his family to restore the decrepit Dartmoor Zoological Park, saving many of the animals and repairing the house to live in.

Colin Ford and Thomas Haden Church have also been signed up to appear in the film.