David Attenborough and scientist Johan Rockström examine Earth's biodiversity collapse and how this crisis can still be averted.
| Actor | Role |
|---|---|
 David AttenboroughSelf - Narrator | Self - Narrator |
 Johan RockströmSelf | Self |
| EElena BennettSelf | Self |
| JJason BoxSelf | Self |
| TTerry HughesSelf | Self |
| MMaria NeiraSelf | Self |
| AAnne LarigauderieSelf | Self |
| CCheikh MbowSelf | Self |
| CCarlos NobreSelf | Self |
| VVeerabhadran RamanathanSelf | Self |
| DDaniella TeixeiraSelf | Self |
| RRicarda WinkelmannSelf | Self |
 Greta ThunbergSelf | Self |