Actress Gwyneth Paltrow will be cast as Nicole Kidman’s wife in new film The Danish Girl, it has emerged.

The Iron Man star has replaced Charlize Theron to play the character ‘Greta,’ in the film adapted from David Ebershoff's novel.

Theron recently backed out of the controversial film which tells the story of the first people to undergo a sex-change operation, reports Contactmusic.

Kidman who will play artist Einar Wegener, is also the producer of the film. Director Thomas Alfredson will helm the movie.