Paul Bettany and Jennifer Connelly will step into evolution for their next project. According to The Hollywood Reporter, the real married couple have signed on to play Charles Darwin and his wife, Emma, in Creation.

The Darwin biopic will show Darwin as a conflicted man struggling to keep a balance between his devoutly-religous wife and his own beliefs that God doesn't exist in our world. Jon Amiel is directing from a script by John Collee, based off the book, "Annie's Box" by Randall Keynes, the great-great grandson of Darwin himself.

"John Collee's compelling script tells the remarkable story behind Darwin's revolutionary theory and the foundation of a book that changed the world," said Oscar-winning producer Jeremy Thomas. "We think of Darwin as an old man with a gray beard. The reality of our story is very different."

Jeremy Northam, Toby Jones and Benedict Cumberbatch have also joined the cast, however, the pivotal role of Darwin's daughter, Annie, should be announced shortly.

Filming will begin in September in England.

Creation was released January 22nd, 2010 and stars Paul Bettany, Jennifer Connelly, Jeremy Northam, Toby Jones, Benedict Cumberbatch, Jim Carter, Martha West, Teresa Churcher. The film is directed by Jon Amiel.