The screenplay faced many rewrites and revisions. The film had more than two weeks of reshoots and numerous rewrites. Tony Gilroy contributed some additional uncredited rewrites to the script. However, the film fell into development limbo due to multiple script rewrites. Then actor Rob Morrow quit because of script rewrites. For starters rewrites of scripts are not uncommon. William Friedkin was hired to direct, but had trouble collaborating with Webb on script rewrites. Whannell became available to provide rewrites of the script. Wiseman signed on in June 2008, with Chris Morgan performing script rewrites. Novels can remain unfinished because the author continually rewrites the story. Technological revolution rewrites the material conditions of human existence and can reshape culture. Nine rewrites were performed by nine separate writers. After some delays due to story rewrites, James Algar was appointed to direct the film. The text of the novel went through several rewrites. "Candide" had had a troubled history, with many rewrites and writers involved.