Pattison said: “I have been a supporter and champion of Comic Relief for years, however this does feel a little bit outside of my usual wheelhouse.
“I am not an actor, I am not Northern Irish, I think I’d rather be back in the Arctic or trekking or something so I am very scared!”
Pattison completed an Arctic challenge for Comic Relief in 2024.
BBC Radio 2’s Mills joked: “I am playing the role of James from The Traitors, and my fake earring is absolutely killing me, although I am getting quite used to these really big sideburns!”
Libby said: “I’ve got Iain Stirling playing myself, and he might be in a jumpsuit number as well – so I think he may currently be crying in a dressing room somewhere trying to squeeze into that.
“Every year I’ve always watched Comic Relief,” she added, “so to be part of it is just really amazing.”