Can exercise sharpen the brightest minds? In this ground-breaking experiment, four world-class gamers, competing in eSports, Chess, Mahjong and Memory Games, put this to the test.
| Actor | Role |
|---|---|
 Stephen FryNarrator | Narrator |
| BBen PridmoreSelf | Self |
| KKassa KorleySelf | Self |
| SSherry NhanSelf | Self |
| RRyoei HiranoSelf | Self |