Actress Keira Knightley; actor Jon Glaser; The Chainsmokers and 5 Seconds of Summer perform.
| Name | Type | Role | |
|---|---|---|---|
| Alex Pall | Guest Star | ||
| Ashton Irwin | Guest Star | ||
| Andrew Taggart | Guest Star | ||
| Luke Hemmings | Guest Star | ||
| Keira Knightley | Guest Star | ||
| Michael Clifford | Guest Star | ||
| Jon Glaser | Guest Star | ||
| Calum Hood | Guest Star |