Oscar-nominated actress Naomi Watts has been called “the best” by actor-director Sean Penn and now the Aussie beauty is starring in an edgy thriller from director David Cronenberg called “Eastern Promises.”

Watts said she enjoyed working with Cronenberg and co-star Viggo Mortensen.

“I think people should see it just for his performance alone,” she said of Mortensen on “Good Morning America” today.

The film opens in limited release Sept. 14 and nationwide Sept. 21.

In the movie, Watts’ character finds herself entangled in the ...