María Mercedes Collaberations
| Film Title | Role | Collaboration Count |
|---|---|---|
| Bela Lugosi | Actor | 1 |
| Dora Bryan | Actor | 1 |
| Judith Furse | Actor | 1 |
| John Gilling | Director, Producer | 1 |
| David Hurst | Actor | 1 |
| Philip Leaver | Actor | 1 |
| Roderick Lovell | Actor | 1 |
| Arthur Lucan | Actor | 1 |
| Graham Moffatt | Actor | 1 |
| Stanley Pavey | Cinematographer | 1 |
| Maude Spector | Casting director | 1 |
| Leonard Trumm | Editor | 1 |
| Val Valentine | Writer | 1 |
| Richard Wattis | Actor | 1 |
| Lindo Southworth | Composer | 1 |