Per the Hollywood Reporter, James Marsters will play the best friend of Hilary Swank's late husband in the romantic drama P.S., I Love You.... Scarlett Johansson is Mary Queen of Scots in a biopic focused on the title character's legendary catfights with Queen Elizabeth I of England.... Per Variety, Hugh Jackman is joining William Baldwin, Henry Winkler and Lisa Guerrero in A Plumm Summer, an indie about two kids trying to solve a puppet's kidnapping.... Twentieth Century Fox has picked up film rights to the R.L. Stine children's book series The Rotten School.