Girl Who Loses Dollar Outside Cinema (uncredited) Christine Francis as Candy Store Girl (uncredited) Betsy Ann Hisle as Little Girl (uncredited) Kewpie Morgan as Conspirator (uncredited) Steve Murphy as Conspirator (uncredited) John Patrick as Conspirator (uncredited) Production Originally titled The Misfit, production began in January 1924 in Los Angeles. Keaton later said that his character walking onto the screen and into a film was "the reason for making the whole picture... Just that one situation." After previously casting her in Three Ages, Keaton cast Marion Harlan as the lead actress, but she became sick and was replaced by up-and-coming Keystone Studios actress Kathryn McGuire, who had previously starred in The Silent Call and was a WAMPAS Baby Star of 1923. Keaton initially hired Roscoe "Fatty" Arbuckle as his co-director for the film. Keaton had been discovered by Arbuckle, whose career was at a standstill after being accused of raping Virginia Rappe in 1921. During the scandal and court case, Arbuckle had lost his mansion and cars and was in debt for $750,000. Keaton wanted to help his old friend and hired Arbuckle under the pseudonym "William Goodrich". It is believed that the idea for the film was a tribute to Oscar Heinrich, the forensic scientist involved in the rape trial against Arbuckle. Filming began well and Arbuckle was happy to be back on set, but after Keaton corrected a mistake that Arbuckle had made, his attitude changed dramatically. Arbuckle became angry and abusive on set, yelling at actors and according to Keaton becoming "flushed and mad...[the scandal] just changed his disposition." In his autobiography, Keaton claimed that Arbuckle was difficult to work with and he arranged for him to direct The Red Mill instead so that Keaton could complete the film alone. The Red Mill did not begin production until 1927. Arbuckle's second wife Doris Deane later claimed that Arbuckle had directed the entire film and had come up with all of the ideas for the film. The production included one of Keaton's most famous on-set accidents. In a scene where Keaton grabs a water spout while walking on a moving boxcar train, the water unexpectedly flooded down on Keaton much harder than anticipated, throwing him to the ground. The back of Keaton's neck slammed against a steel rail on the ground and caused him to black out. The pain was so intense that Keaton had to stop shooting later