After placing his ailing wife Alice in a care home, elderly academic James Parkin goes to stay at a wintry out-of-season hotel which they used to visit together. But at night he seemingly becomes the victim of a ghostly revenge - but who is the avenger?
Unfortunately the movie Whistle and I'll Come to You is not yet available on HBO Max.
| Directing | Andy de Emmony | Director |
| Writing | Neil Cross | Writer |
| Writing | M.R. James | Short Story |
| Production | Ben Evans | Executive Producer |
| Camera | Rob Hardy | Director of Photography |
| Production | Claire Armspach | Producer |
| Editing | Stephen O'Connell | Editor |
| Directing | Alex Rendell | First Assistant Director |
| Art | Tim Blake | Art Direction |
| Camera | Jennie Paddon | Focus Puller |
| Production | Richard McNeill | Production Accountant |
| Camera | Ryan King | Assistant Camera |
| Directing | Andrew Vanneck | Third Assistant Director |
| Production | Tom Howard | Location Manager |
| Art | Malcolm Holt | Property Master |
| Production | Holly Pullinger | Production Coordinator |
| Production | Gavin Fisher | Unit Manager |
| Art | Tom Knight | Art Department Assistant |
| Costume & Make-Up | Pat Williamson | Costume Supervisor |
| Art | Lucienne Suren | Standby Art Director |
| Art | Louis Wilson | Props |
| Lighting | Susanne Salavati | Electrician |
| Camera | Victoria Hanna | Clapper Loader |
| Sound | Stuart Miller | Dialogue Editor |
| Lighting | Julian White | Gaffer |
| Directing | Andy Pearson | Second Assistant Director |
| Lighting | Julian Perrin | Best Boy Electric |
| Sound | Antony Meering | Sound Recordist |
| Editing | Thomas Urbye | Colorist |
| Production | Geraldine Jeffers | Publicist |
| Production | Carmel Maloney | Production Consultant |
| Costume & Make-Up | Charlotte Holdich | Costume Designer |
| Art | Mike Gunn | Production Design |
| Production | Letitia Knight | Line Producer |
| Costume & Make-Up | Camilla Beckett | Makeup Designer |
| Sound | Tristin Norwell | Original Music Composer |
| Sound | Nick Green | Original Music Composer |
