This documentary delves into the mysteries surrounding the Neanderthals and what their fossil record tells us about their lives and disappearance.
| Actor | Role |
|---|---|
 Patrick StewartNarrator (voice) | Narrator (voice) |
 Gabriel AndreuOlder Neanderthal Man | Older Neanderthal Man |
| CCaroline ColomeiOlder Neanderthal Woman | Older Neanderthal Woman |
| KKareem AlexanderYounger Neanderthal Man | Younger Neanderthal Man |
 Ibbi El HaniYounger Neanderthal Woman | Younger Neanderthal Woman |
| PPaula ParunovNeanderthal Child | Neanderthal Child |