Originally, Ricky and Jane ended up on trial for Lester's murder. The filmmakers abandoned that plot, though, when it tested badly with audiences. (Source)

Frank Fitts got more of a backstory in the original script—complete with a gay lover from his time in Vietnam. (Source)

Did you know that the original script originally had Lester going "all the way" with Angela? It's true. (Source)

Steve Spielberg asked Mendes to come out to Hollywood and start making movies after he saw his revival of Cabaret. (Source)