Overview
Flirtatious mermaid Miranda swaps places with a schoolteacher who has gone on holiday. All is well until she falls in love with a human.
Cast
- Glynis Johns as Caroline Trewella / Miranda Trewella
- Donald Sinden as Jeff Saunders
- Anne Crawford as Barbara Davenport
- Margaret Rutherford as Nurse Carey
- Dora Bryan as Berengaria
- Nicholas Phipps as Col. Barclay Sutton
- Peter Martyn as Ronald Baker
- Noel Purcell as Percy
- Joan Hickson as Mrs. Forster
- Judith Furse as Viola