Massimiliano Antonio "Max" Cavalera played in the movie Soulfly not Billy Idol.
Massimiliano Antonio "Max" Cavalera (] , born August 4, 1969) is a Brazilian singer, guitarist, and songwriter who currently plays in heavy metal bands Soulfly, Cavalera Conspiracy, and Killer Be Killed. 
William Michael Albert Broad (born 30 November 1955), known professionally as Billy Idol, is an English musician, singer, songwriter, and actor. 
