By Marty Mulrooney
Gangster Squad is a period crime action film directed by Ruben Fleischer (Zombieland). Loosely based upon a true story, the film follows an elite unit of LAPD officers and detectives known as the ‘Gangster Squad’, whose sole mission it is to drive the gangster known as Mickey Cohen out of Los Angeles. The ensemble cast features Sean Penn as Cohen, with Josh Brolin, Ryan Gosling, Robert Patrick, Michael Peña, Anthony Mackie and Giovanni Ribisi starring as the cops determined to take him down.