Brian Cox and Robin Ince host a close encounter of the first kind with comedian Lucy Beaumont, astronomer Maggie Aderin-Pocock, Prof Tim O’Brien and science presenter Dallas Cambell to ask if UFOs and aliens have visited Earth.
| Name | Type | Role | |
|---|---|---|---|
| Dallas Campbell | Writer | ||
| Maggie Aderin-Pocock | Writer | ||
| Lucy Beaumont | Writer | ||
| Professor Brian Cox | Writer | ||
| Robin Ince | Writer | ||
| Tim O'Brien | Writer | ||
| Dallas Campbell | Guest Star | ||
| Maggie Aderin-Pocock | Guest Star | ||
| Tim O'Brien | Guest Star | ||
| Lucy Beaumont | Guest Star |