We’ve got a few casting stories for you today. First up, Matthew Macfadyen (The Three Musketeers) has joined the cast of director Joe Wright’s (Hanna) adaptation of Anna Karenina. The Daily Mail (via Dark Horizons) reports that Macfadyen replaces Benedict Cumberbatch in the role of Oblonsky in the film version of Leo Tolstoy’s classic tragic love story. In addition to Macfadyen, Olivia Williams, Domhnall Gleeson and Andrea Risebourough have joined the cast as well. Keira Knightley, Jude Law, Aaron Johnson and Kelly Macdonald are set to star in the Tom Stoppard-scripted (Shakespeare in Love) flick. Filming is set to begin this fall.

Next up, Patricia Arquette has joined the cast of brother David’s directing vehicle Glutton. The psychological thriller stars Abraham Benrubi (ER) as a 1,200 pound bedridden man. Arquette and Kacey Barnfield play the two female leads in the 3D flick. Variety reports that Arquette will play the man’s sister, while Barnfield will take on the role of a blind neighbor. Hit the jump for the casting of Adhir Kalyan in the indie film Samaritan as well as a synopsis of the book Anna Karenina.