The Amorous Prawn

The Amorous Prawn or The Amorous Mr. Prawn is a 1962 British comedy film directed by Anthony Kimmins and starring Ian Carmichael, Joan Greenwood and Cecil Parker. The film was based on a farcical play by Kimmins.

General Fitzadam receives his final posting in the remote Scottish Highlands, where his wife decides to run their residence as a hotel for wealthy Americans.

Source: Wikipedia