Moby Duck leads a study of life on several South Pacific islands, including Pitcairn, Fiji, and Hawaii.
| Actor | Role |
|---|---|
 Paul FreesMoby Duck | Moby Duck |
| GGeorge WalshNarrator | Narrator |
| BBill ColeThe Mellomen (uncredited) | The Mellomen (uncredited) |
 Bill LeeThe Mellomen (uncredited) | The Mellomen (uncredited) |
| GGene MerlinoThe Mellomen (uncredited) | The Mellomen (uncredited) |
 Thurl RavenscroftThe Mellomen (uncredited) | The Mellomen (uncredited) |