Cast complete, awaiting verification
| Helena Bonham Carter | ... | Enid Blyton (uncredited) | |
 |
Claire Carrie | ... | Betty (uncredited) |
| Denis Lawson | ... | Kenneth Waters (uncredited) | |
| Matthew Macfadyen | ... | Hugh Pollock (uncredited) | |
| Eileen O'Higgins | ... | Maid Maggie (uncredited) | |
| Claire Rushbrook | ... | Dorothy Richards (uncredited) | |