Emma Stone will play the integral role of Jean, a sassy woman who gets caught up in an intriguing love triangle between a Ryan Gosling's LAPD cop character and Sean Penn's gangster character Mickey Cohen. Josh Brolin, Giovanni Ribisi, Michael Peña, Anthony Mackie, and Holt McCallany have already signed on.
Ruben Fleischer will direct The Gangster Squad from a screenplay by former LAPD officer Will Beall, which is based on a seven-part newspaper article series by Los Angeles Times writer Paul Lieberman. The story centers on an elite unit of the LAPD who tries to rid the gangster elements from town in the 1940s.
No production schedule was given for The Gangster Squad yet.