A scrub-woman attempts to rescue a dolphin who will talk to no one but her from a research laboratory.
| Actor | Role |
|---|---|
 Ruth WhiteHelen | Helen |
| BBil BairdDolphin (voice) | Dolphin (voice) |
 Elizabeth WilsonMiss Moray | Miss Moray |
 Philip BrunsDan | Dan |
 Anthony HollandFridge | Fridge |
 Iggie WolfingtonDr. Crocus | Dr. Crocus |