- HD 1080
- Runtime: 110m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: Melville Shavelson
- Stars: Cary Grant, Sophia Loren, Martha Hyer, Harry Guardino, Eduardo Ciannelli
- keywords: class society, washington dc, usa, parent child relationship, harmonica, houseboat, nanny, ball, boat wedding, single father
- Production_studio: Paramount Pictures
- Slogan: It All Happens Happily on a Heaven of a Houseboat!
- providers: Britbox Apple TV Channel, Hoopla
- The Houseboat is featured in the top rankings of 1958
- #27 in Top Comedy Movies of 1958
- #26 in Top Romance Movies of 1958
An Italian socialite on the run signs on as housekeeper for a widower with three children.