EXCLUSIVE: Giovanni Ribisi has landed a co-starring role in Warner Bros’ The Gangster Squad, the period crime drama Ruben Fleischer is directing that stars Sean Penn as Mickey Cohen, and Ryan Gosling and Josh Brolin as members of the elite cop squad that are after him in 1949 Los Angeles. Anthony Mackie and Michael Pena also are aboard. Will Beall wrote the script. Langley Park Pictures and Lin Pictures are producing. Ribisi, repped by CAA and Management 360, will play Conway Keeler, a cop in the group who is a master of electronics and wires. He is currently shooting Universal’s Ted and next appears in FilmDistrict’s The Rum Diary opposite Johnny Depp.