The Big Sleep (1946 film) war. Bacall's agent, Charles K. Feldman, asked that portions of the film be re-shot to capitalize on their chemistry and counteract the negative press Bacall had received for her 1945 performance in "Confidential Agent" which was released prior to "The Big Sleep" even though produced after it. Producer Jack L. Warner agreed, and new scenes for "The Big Sleep", such as the sexually suggestive racehorse dialogue, were added (scripted by an uncredited Julius Epstein). The re-shot ending featured Peggy Knudsen as Mona Mars because Pat Clark, the originally cast actress, was unavailable. Furthermore, the parts of James Flavin and Thomas
To Have and Have Not (film) written, due to changes required by the Production Code office. Faulkner had very little time in between the rebuilding of sets to continue the screenplay, therefore, each scene was written three days before it was filmed. The final cast reading was done on March 6, 1944 with final script changes finished by April 22. Line by line, Hawks and Bogart changed the script to create a more sexual and comedic film. For example, the line "It's even better when you help", was not originally in the script and was added during filming. After 62 days, filming was completed May 10,