Gary Barlow hosts musical fun from the Natural History Museum in London and performs some of his biggest hits, songs from his new album, and some exciting covers.
| Actor | Role |
|---|---|
 Gary BarlowSelf | Self |
 Michael BubléSelf | Self |
| SSebastian YartaSelf | Self |
 Beverley KnightSelf | Self |
 Jack WhitehallSelf | Self |
 Alfie BoeSelf | Self |
 Rick AstleySelf | Self |
 Jason DonovanSelf | Self |
 Alesha DixonSelf | Self |
 Ronan KeatingSelf | Self |