Rachel McAdams initially was not keen on making the film - a comedy - as she felt she was unsuited to being funny. Director Roger Michell took her out for dinner several times to convince her otherwise.
Despite being Hollywood veterans, Diane Keaton and Harrison Ford had never met prior to making the film.
As of the release of the movie, Don Roy King, who plays the director of DayBreak, is the actual director of NBC's Saturday Night Live (1975). Robert Caminiti, who plays the assistant director of DayBreak, is the actual assistant director of Saturday Night Live (1975).