Actors Who Usually Work Together

Ryan and Emma attend the “Crazy, Stupid, Love.” World Premiere at the Ziegfeld Theater on July 19, 2011.Jim Spellman/WireImage/Getty Images

Believe it or not, some actors just can’t get enough of each other, it might be because of a long relationship, similar vision or strong chemistry. From the historical “Rat Pack” who rocked Hollywood’s streets, to today’s new “Fart Pack”. Let’s start with the first duo –