Cast & crew
The Tonic (1928)
Directed by Ivor Montagu Written by Frank Wells, H. G. Wells
Cast
| Charles Laughton | Cox Family |
| Renee De Vaux | Auntie Wu |
| Elsa Lanchester | Elsa |
Crew
| Simon Rowson | Producer |
| Ivor Montagu | Director |
| Frank Wells | Writer |
| Freddie Young | Director of Photography |
| H. G. Wells | Story |