Nine famous faces are pushed to their physical and emotional limits in a valiant attempt to scale Mount Kilimanjaro, Africa's highest mountain, to raise money for Comic Relief and help change lives this Red Nose Day, with their turmoil and triumphs revealed in Kilimanjaro: The Bigger Red Nose Climb.
| Actor | Role |
|---|---|
 Olivia ColmanSelf / Narrator | Self / Narrator |
 Alexander ArmstrongSelf | Self |
 Shirley BallasSelf | Self |
 Ed BallsSelf | Self |
 Dani DyerSelf | Self |
 Leigh-Anne PinnockSelf | Self |
 Anita RaniSelf | Self |
 Jade ThirlwallSelf | Self |
| OOsi UmenyioraSelf | Self |
 Dan WalkerSelf | Self |