Mel Giedroyc hosts as actress Sarah Hadland, TV gardener Joe Swift, botanist James Wong and actress Angela Griffin compete for the first ever Great Sport Relief Bake Off crown.
| Name | Type | Role | |
|---|---|---|---|
| Mel Giedroyc | Host | Presenter | |
| Mary Berry | Host | Judge | |
| Paul Hollywood | Host | Judge | |
| Angela Griffin | Guest Star | Contestant | |
| Sarah Hadland | Guest Star | Contestant | |
| Joe Swift | Guest Star | Contestant | |
| James Wong | Guest Star | Contestant |