When a lighthouse keeper takes in a seal in need and gives to his children to look after, the whole family is drawn into the shadowy world of illegal seal poaching. The family then finds themselves leading the fight to rid their coastal town of the criminals and save the seals.
Unfortunately the movie Sandy the Seal is not yet available on HBO Max.
| Directing | Robert Lynn | Director |
| Writing | Harry Alan Towers | Writer |
| Crew | Stephen Dade | Cinematography |
| Editing | Allan Morrison | Editor |
| Sound | Malcolm Lockyer | Music |
| Directing | Barrie Melrose | Assistant Director |
| Production | Harry Alan Towers | Producer |
| Production | Oliver A. Unger | Producer |
