 | Rory Kinnear als Edward Williams |
 | Robert Bathurst als Garwood |
 | Frances Barber als Mrs Ambrigail |
 | Nikesh Patel als Nisbet |
 | John Hopkins als Binks |
 | Emma Cunniffe als Mrs Filcher |
 | Tommaso Di Vincenzo als Gawdy's ghost |
| Mark Gatiss | Director |
| Mark Gatiss | Screenplay |
| M.R. James | Short Story |
| Isibeal Ballance | Producer |
| Blair Mowat | Music |
| Josh Cunliffe | Editor |
| Bobbie Cousins | Production Design |
| Tamara King | Assistant Director |
| Will Wilkinson | Assistant Director |
| Mark Doree | Health and Safety |
| Milly Upton | Production Coordinator |
| Gemma Kent | Production Accountant |
| Milena Mihaylova | Script Supervisor |
| Kylie Stubbs | Grip |
| Emma Friend | Assistant Camera |
| Georgina Cook | Assistant Camera |
| Jon Tanner | Gaffer |
| Graham Banks | Electrician |
| Jon Slater | Electrician |
| David Tanner | Electrician |
| Sofia Sacomani | Art Direction |
| Catiana Becker | Standby Art Director |
| Richard Wells | Graphic Designer |
| Joshua Brooks | Art Department Assistant |
| Emily Murayama | Art Department Assistant |
| Helen Bolter | Costume Supervisor |
| Ella Cordon | Costume Assistant |
| Sam Broyden | Makeup Artist |
| Helena Beeson | Assistant Editor |
| Adam Mendez | Foley Mixer |
| Sophia Hardman | Foley Editor |
| Oliver Ferris | Foley Artist |
| James Drake | Sound Editor |
| Simon Giblin | Online Editor |
| Kevin Horsewood | Colorist |
| Martha Lake | Post Producer |
| Lou Shrimpton | Production Manager |
| Jamie Lindsay | Location Manager |
| Chris May | Assistant Director |
| Trevor Moore | Sound Recordist |
| Richard Martin | Prosthetic Designer |
| Claudia Cavalli | Makeup Designer |
| Claire Finlay | Costume Designer |
| Bobbie Cousins | Production Designer |
| Kieran McGuigan | Director of Photography |
| Ben Irving | Executive Producer |
