 | Hugh Bonneville als Roald Dahl |
 | Keeley Hawes als Patricia Neal |
 | Sam Heughan als Paul Newman |
 | Michael Jibson als Pete Perkins |
 | Sam Phillips als Young Doctor |
 | Bobby O'Neill als Gus Perkins |
 | Darcey Ewart als Olivia |
 | Geoffrey Palmer |
 | Conleth Hill |
 | Brett Fancy |
| Prue Clarke |
| Colin Goudie | Editor |
| Joe Karimi-Nik | Line Producer |
| Suzanne Smith | Casting |
| Debbie Wiseman | Music |
| Nick Quested | Producer |
| Stephen Michael Shearer | Novel |
| John Hay | Director |
| Donall McCusker | Producer |
| David Logan | Writer |
| Richard A. Bullock | Production Design |
| Suzie Harman | Costume Design |
| Adrian Politowski | Executive Producer |
| John Hay | Writer |
| David Kennedy | Executive Producer |
| Peter Hampden | Executive Producer |
| Elliot Jenkins | Producer |
| Justin Johnson | Executive Producer |
| Gretchen McGowan | Executive Producer |
| Norman Merry | Executive Producer |
| Martin Metz | Producer |
| Alex Marden | Set Decoration |
| Chris Lyons | Special Effects Makeup Artist |
| Tatyana 'Tita' Sleptsova | Makeup Artist |
| Graham Frake | Director of Photography |
| Sven Taits | Sound Re-Recording Mixer |
