Zac Efron to play mafia boss

London, Feb 14 (PTI) Hollywood heartthrob Zac Efron has replaced Shia Labeouf in action comedy ''The Necessary Death of Charlie Countryman''.The ''High School Musical'' star will essay the role of a mafia boss in the movie.Efron will play the title character, who ultimately falls in love with a woman, who turns out to be the girlfriend of a top gangster, the Contactmusic reported.The 23-year-old ...