Paramount has purchased "an original and very moving love story" from Serendipity scribe Marc Klein to serve as a starring vehicle for Tom Cruise.... Also per Variety, Drew Barrymore and Hugh Grant have been tapped to star in the romantic comedy Music and Lyrics By.... Dane Cook is in final talks to play Steve Carell's brother in Dan in Real Life, about a widower who unwittingly falls for his brother's girlfriend.... In book deals, Paramount has bought The Spellman Files, about a family of private investigators, while Warner Bros. has snatched up David Ignatius' espionage thriller Penetration, which Ridley Scott will direct.