One of the greatest actors of his generation, Al Pacino is known for loosing himself in a myriad of characters, from Serpico to Shylock in Broadway’s Merchant of Venice. For a new HBO film written and directed by Glengarry Glen Ross scribe David Mamet, Pacino takes on the eccentric music producer Phil Spector as he heads to court to fight a murder accusation. In the trailer below, Pacino proves once again he is the master of disguise. Take a look at him sporting Spector’s outrageous style throughout the various decades. Also keep an eye out for the film’s co-stars Helen Mirren and Jeffrey Tambor. Phil Spector premieres on HBO on March 24.