Houseboat

Cary Grant Tom Winters

Sophia Loren Cinzia Zaccardi

Martha Hyer Carolyn Gibson

Harry Guardino Angelo Donatello

Eduardo Ciannelli Arturo Zaccardi

Murray Hamilton Capt. Alan Wilson

Mimi Gibson Elizabeth Winters

Paul Petersen David Winters

Charles Herbert Robert Winters

Werner Klemperer Harold Messner

Madge Kennedy Mrs. Farnsworth

John Litel Mr. William Farnsworth