For 70 years, the sudden sinking of the mighty British ship Britannic - larger than the sister ship Titanic - has been shrouded in mystery. Jacques Cousteau reveals the full story of November 21, 1916 when, on her sixth journey as a hospital ship, Britannic exploded and sank into the Aegean Sea.
| Actor | Role |
|---|---|
 Jacques-Yves CousteauSelf | Self |
| PPierre CabarouSelf | Self |
| RRaymond CollSelf | Self |
 Albert FalcoSelf | Self |
| SSheila Macbeth MitchellSelf | Self |
| WWilliam H. Tantum IVSelf | Self |
| TTheodore StraussNarrator | Narrator |