"There was definitely comedy [...] in the script, but [Foxx] came up to me early on," said Franco. "He was like, 'You know what? We got to infuse humor whenever possible. Even if it's not in the scene, even if it's a more serious scene — let's give weight to those scenes, but let's infuse a little something in there because the comedy is what's going to get it to the next level.'"