Murphy joined the cast on October 13, , and became a producer on the film. Affleck wanted to participate in the film as he was interested in playing a comedy role, saying "it sounded like a fun film to do. I wanted to do a comedy, and I thought this was an opportunity to try and be funny. On his character, Alda said "Shaw is sometimes described as a Bernie Madoff like character. I don't think anyone has ever operated on the scale that Madoff did. And I don't know if what Shaw did technically qualifies as a Ponzi scheme.