Two women and eight men are shipwrecked on a South Pacific island. There is a murderer amongst them. Only the murderer and the ship's captain knows his identity but the captain has lost his memory.
| Actor | Role |
|---|---|
| BBrian AbbotMorris Carthew | Morris Carthew |
| JJean LaidleyAudrey Challoner | Audrey Challoner |
| WW. Lane-BayliffCaptain Druce | Captain Druce |
| WWilliam CarrollChief Officer Vowels | Chief Officer Vowels |
| GGeorge DoranReverend Abel | Reverend Abel |