British actor Jude Law has stepped in to replace Michael Fassbender as American novelist Thomas Wolfe in a new biopic.

The Shame star had initially signed on to portray the You Can't Go Home Again author in Genius in 2012, but he has since exited the project, and now Law has been cast in his place, according to

He will appear alongside Colin Firth, who will play editor Max Perkins in the film about the two men's relationship during the early 1900s. The movie will be based on A. Scott Berg's award-wining biography Max Perkins: Editor of Genius.

Production on the drama, which will also star Nicole Kidman, is set to begin in August (14).