Joining the regulars are five-time gold medallist Steve Redgrave, tennis player-turned-pundit Andrew Castle, Welsh rugby great Ieuan Evans and World Champion athlete Fatima Whitbread.
| Name | Type | Role | |
|---|---|---|---|
| Fatima Whitbread | Guest Star | ||
| Steve Redgrave | Guest Star | ||
| Andrew Castle | Guest Star | ||
| Ieuan Evans | Guest Star | ||
| Stephen Neal | Director |