The competition reaches its climax as the winners of the three heats face their final challenges before Mary and Paul must decide who is the Great Sport Relief Bake Off champion.
| Name | Type | Role | |
|---|---|---|---|
| Paul Hollywood | Host | Judge | |
| Mel Giedroyc | Host | Presenter | |
| Mary Berry | Host | Judge | |
| Anita Rani | Guest Star | Contestant | |
| Angela Griffin | Guest Star | Contestant | |
| Fi Glover | Guest Star | Contestant |