Working as a doorman, crossing paths with Marianne Jean-Baptiste, and musical interests. IDRIS ELBA plays the small-time crook Mumbles in Guy Ritchie’s new film “RocknRolla,” which opened Wednesday. (”I’m very proud of it — not to plug it shamelessly,” he says.) The British-born actor has also appeared in “American Gangster” and “28 Weeks Later,” and he portrayed Russell “Stringer” Bell on HBO’s “The Wire.” We caught up with him while he was on set for the upcoming heist film “Bone […]