Businessman Paul Bultitude is sending his son Dick to a boarding school. While holding a magic stone from India, he wishes that he could be young again. His wish is immediately fulfilled and the two change bodies with each other. Mr Bultitude becomes a school boy who smokes cigars and has a very conservative view on child upbringing, while his son Dick becomes a gentleman who spends his time drinking lemonade and arranging children's parties.

Roger Livesey
as Paul Bultitude

Anthony Newley
as Dick Bultitude

Kay Walsh
as Florence 'Fanny' Verlane

Petula Clark
as Dulcie Grimstone

James Robertson Justice
as Dr. Grimstone

David Hutcheson
as Marmaduke Paradine

Harcourt Williams
as Judge

Bill Shine
as Lord Gosport

Kynaston Reeves
as Dr. Chawner

Ernest Jay
as Bowler
CinemaSerf
Roger Livesey ("Paul") is the wealthy but rather indifferent dad to "Dick" (Anthony Newley). The youngster hates the idea of going back to his boarding school, but his skinflint of a father is having none of it. When "Dick" tries a bit of emotional blackmail, his dad - clutching a mysterious stone f...