finally regains his senses and screams, "No!", but the sentiment is lost in the family's excitement at his recovery, and Leo is forced to accept Bob as his new brother-in-law. Text at the end reveals that Bob went back to school and became a psychologist, then wrote a best-selling book titled Death Therapy, for which Leo is suing him for the rights. Cast Production Before Frank Oz was hired to direct, Garry Marshall was considered, and Woody Allen was approached to play Dr. Marvin. Allen was also considered to direct and possibly co-write the script with Tom Schulman. However, because Allen had always generated his own projects rather than getting handed an existing property to make his own, Oz was hired to direct. Allen also declined the role of Dr. Marvin, thus Richard Dreyfuss was ultimately cast. Patrick Stewart was also considered for the role. Early in development, Robin Williams was attached to the project. Filming What About Bob? was filmed in and around the town of Moneta, Virginia, located on Smith Mountain Lake. For the scene in which Bob accidentally blows the house up, producers used a -sized model replica of the actual house that they detonated on a nearby lot. The scenes of Bob arriving in town on the bus with his goldfish were filmed in downtown Moneta, which was repainted for the movie. The local institute where Leo tries to commit Bob is actually the local Elks National Home for retirees in the nearby town of Bedford, Virginia. Scenes were also shot in New York City. According to Oz, Murray was "really frightened" about filming in the city. Murray confirmed that he improvised a lot in the film. Production difficulties Oz has confirmed in interviews that there was conflict on the set during the making of the film. In addition, both Murray and Dreyfuss have stated in separate interviews that they did not get along with each other during filming: Oz himself also verified that there was a feud between Murray and Dreyfuss: In subsequent interviews, Dreyfuss reiterated what he said of his experience working with Murray, notably when he appeared at Fan Expo Canada in 2017. Dreyfuss further alleged in 2019 that at one point during the production, Murray screamed at him while intoxicated, telling him "Everyone hates you! You are tolerated!" and then threw an ashtray at him. When Murray appeared on The Howard Stern