![L-r) SEAN PENN as Mickey Cohen and JOSH BROLIN as Sgt. John O'Mara in Warner Bros. Pictures' and Village Roadshow Pictures' drama “GANGSTER SQUAD,” a Warner Bros. Pictures release Stock Photo - L-r) SEAN PENN as Mickey Cohen and JOSH BROLIN as Sgt. John O'Mara in Warner Bros. Pictures' and Village Roadshow Pictures' drama “GANGSTER SQUAD,” a Warner Bros. Pictures release Stock Photo -](https://l450v.alamy.com/450v/cphwhx/gangster-squad-2012-warner-bros-film-with-sean-penn-at-left-as-mickey-cphwhx.jpg)
L-r) SEAN PENN as Mickey Cohen and JOSH BROLIN as Sgt. John O'Mara in Warner Bros. Pictures' and Village Roadshow Pictures' drama “GANGSTER SQUAD,” a Warner Bros. Pictures release Stock Photo -
![Gangster Squad (Blu-ray) : Sean Penn, Emma Stone, Ryan Gosling, Troy Garity, Michael Pena, Ruben Fleischer: Movies & TV - Amazon.com Gangster Squad (Blu-ray) : Sean Penn, Emma Stone, Ryan Gosling, Troy Garity, Michael Pena, Ruben Fleischer: Movies & TV - Amazon.com](https://m.media-amazon.com/images/I/81xy8PH2J2L._AC_UF894,1000_QL80_.jpg)
Gangster Squad (Blu-ray) : Sean Penn, Emma Stone, Ryan Gosling, Troy Garity, Michael Pena, Ruben Fleischer: Movies & TV - Amazon.com
![Gangster Squad' Director Ruben Fleischer on Reshoots and Convincing Sean Penn to Star (Q&A) – The Hollywood Reporter Gangster Squad' Director Ruben Fleischer on Reshoots and Convincing Sean Penn to Star (Q&A) – The Hollywood Reporter](https://www.hollywoodreporter.com/wp-content/uploads/2013/01/ruben_fleisher_director_gangster_squad.jpg?w=1024)
Gangster Squad' Director Ruben Fleischer on Reshoots and Convincing Sean Penn to Star (Q&A) – The Hollywood Reporter
![Dear Sean Penn, Please Read Our Interview With Mickey Cohen Before Making Gangster Squad. Oh Wait, Too Late. Los Angeles Magazine Dear Sean Penn, Please Read Our Interview With Mickey Cohen Before Making Gangster Squad. Oh Wait, Too Late. Los Angeles Magazine](https://cdn2.lamag.com/wp-content/uploads/sites/6/2013/01/MickeyCohen.jpg)