Graham is joined by George Clooney, Michael Sheen, David Tennant, Viola Davis, Daisy May Cooper and Vanessa Kirby, and Michael Ball and Alfie Boe perform Have Yourself a Merry Little Christmas .
| Name | Type | Role | |
|---|---|---|---|
| Michael Ball | Musical Guest | ||
| Alfie Boe | Musical Guest | ||
| David Tennant | Guest Star | ||
| Viola Davis | Guest Star | ||
| Daisy May Cooper | Guest Star | ||
| George Clooney | Guest Star | ||
| Vanessa Kirby | Guest Star | ||
| Michael Sheen | Guest Star |