| Directed by |
Ralph Thomas |
|
| Screenplay by |
Patrick Campbell |
|
| Cast: | ||
| Susan Graham | Carol Marsh | |
| Nick Martin | David Tomlinson | |
| Ernest Bennett | Mervyn Johns | |
| Giselle | Zena Marshall | |
| Himself | Terry-Thomas | |
| Dr. Edwards | Jimmy Edwards | |
| Chadbeater Longwick | Colin Gordon | |
| Temporary Waiter | George Benson | |
| Dr. B. Jekyll / Mr. Hyde | Wilfrid Hyde-White | |
| Receptionist | Sandra Dorne | |
| Lord Bruce Carlton | Henry Kendall | |
| Director General of the BBC | Ronald Adam | |
| Barman | Michael Balfour | |
| BBC Page Boy | Johnny Briggs | |
| Autograph Huntress | Esma Cannon | |
| Bit Part | Cyril Chamberlain | |
| Man Telling Story at BBC | Valentine Dyall | |
| Liftman | Danny Green | |
| Nick Martin's BBC Colleague | Kenneth Griffith | |
| Inn landlord | James Hayter | |
| Miranda Trewella | Glynis Johns | |
| Lord Byron | Dennis Price | |
| Maj. Bright | Basil Radford | |
| Alf | Harry Secombe | |
| Anthony Steel | ||
| Director of photography |
Jack Asher |
|
| Produced by |
Antony Darnborough |
|
| Production Design |
John Elphick |
|
| Music composed by |
Francis Chagrin |
|
| Costume Designer |
Joan Ellacott |
|