Amy Pond and Rory Williams are trapped on a crashing space liner, and the only way the Eleventh Doctor can rescue them is to save the soul of a lonely old miser. But is Kazran Sardick, the richest man in Sardicktown, beyond redemption? And what is lurking in the fogs of Christmas Eve?
| Writing | Steven Moffat | Writer |
| Directing | Toby Haynes | Director |
| Production | Andy Pryor | Casting |
| Production | Piers Wenger | Executive Producer |
| Costume & Make-Up | Barbara Kidd | Costume Design |
| Camera | Stephan Pehrsson | Director of Photography |
| Art | Stephen Nicholas | Art Direction |
| Costume & Make-Up | Barbara Southcott | Makeup Designer |
| Art | Julian Luxton | Set Decoration |
| Production | Beth Willis | Executive Producer |
| Production | Sanne Wohlenberg | Producer |
| Production | Steven Moffat | Executive Producer |
| Costume & Make-Up | Vivienne Simpson | Makeup Artist |
| Sound | Murray Gold | Music |
| Art | Michael Pickwoad | Production Design |
| Costume & Make-Up | Allison Sing | Makeup Artist |
| Editing | Adam Recht | Editor |