run away in a boat in order to be with his aunt Carolyn. Tom rescues him after David almost drowns. Tom wakes up in the morning and discovers that the house is lopsided. He decides to go fishing with David. Tom finally is able to win over his children and Cinzia. Cinzia eventually learns how to cook. Winters' sister-in-law, Carolyn, suspects Cinzia's relationship with Tom is not entirely platonic. She discovers that the houseboat is all fixed up. So does Tom's military aide, Captain Wilson (Murray Hamilton), who while somewhat drunk, rudely jokes about Cinzia's living arrangement with Winters. In the end, all misunderstandings are explained and Tom Winters finally marries his maid, as the children look on approvingly. Cast Production Grant's wife Betsy Drake wrote the original script, and Grant originally intended that she would star with him. After he began an affair with Loren while filming The Pride and the Passion (1957), Grant arranged for Loren to take Drake's place with a rewritten script for which Drake did not receive credit. The affair ended in bitterness before The Pride and the Passions filming ended, causing problems on the Houseboat set. Grant hoped to resume the relationship, but Loren agreed to marry Carlo Ponti instead. Filming locations Parts of the movie were filmed in Fort Washington, Maryland on the Potomac River and Piscataway Creek at the present site of Fort Washington marina. This film was also shot on the Tidal Basin in Washington, DC. The amusement park featured in the movie was Glen Echo Park, located on the Potomac River in the Cabin John section of Montgomery County, Maryland. The home in opening scene is located in Mount Vernon, Virginia The hotel featured in the movie is the former Continental Hotel, located on Capitol Hill until it was demolished in the 1970s. Also featured is the former Watergate barge stage behind the Lincoln Memorial on the Potomac River (1935–1965). (The Watergate barge is not to be confused with the Watergate complex.) Reception On Rotten Tomatoes, the film holds an approval rating of 64% based on 11 reviews, with an average rating of 5.84/10. Awards and nominations See also List of American films of 1958 Hum Hain Rahin Pyaar Ke (1993), a Bollywood film believed to have been inspired by Houseboat. It was directed by Mahesh Bhatt, who made several films believed to have been unofficially adapted from Hollywood films.