The film is based on a Demetri Martin pitch about an ordinary guy who lives in a world where people's lives and destinies are being written by scribes in Heaven. The man wakes up one day to find that his writer has decided to no longer draft his life, and he must go about his day unscripted.
DreamWorks bought the project in 2006 and Paramount took control of it after the companies split in 2008.
This will mark Faris and Dayton's first directing effort since 2006's Oscar winner Little Miss Sunshine.
Galifianakis and Rudd are appearing together in Paramount's upcoming Dinner for Schmucks, a remake of French comedy Le Diner de Cons.