The events and coincidences that led to rapid advances in human intelligence 50,000 years ago.
| Actor | Role |
|---|---|
 Liam NeesonSelf | Self |
 Richard DawkinsSelf | Self |
| RRichard KleinSelf | Self |
 Steven PinkerSelf | Self |
| SSteve KuhnSelf | Self |
| RRandall WhiteSelf | Self |
| JJean Jacques HublinSelf | Self |
| JJohn SheaSelf | Self |
| MMichel LorblanchetSelf | Self |
| RRichard WranghamSelf | Self |
| AAndrew WhitenSelf | Self |
| RRobin DunbarSelf | Self |
| SSue BlackmoreSelf | Self |