When Warner Bros. first optioned the book, they were considering George Clooney for the lead. Script difficulties held-up the production and Clooney went on to other roles.
Appearing in the movie as D.A. Cecilia Nussbaum is Frances Fisher, the former partner of Clint Eastwood. The pair's relationship ended in 1995 and the two worked together four years later on this film.
When the execution begins, the prison guard reads an order saying that the defendant was convicted in Alameda County Superior Court. The crime took place in Richmond, California which is located in Contra Costa County. Therefore the order would come from the Superior Court in Contra Costa County.