| Meres, Kazimierz | Kazimierz Meres | Actor | 1971 | 1 | |
| Marecka, Teresa | Teresa Marecka | Actor | 1971 | 1 | |
| Maxmen, Mimi | Mimi Maxmen | Costume Designer | 1971 | 1 | |
| Murphy, Robert | Robert Murphy | Lighting Designer | 1971 | 1 | |
| Montijano, José | José Montijano | Actor | 1971 | 3 | |
| Martinéz, José | José Martinéz | Lighting Designer | 1971 | 3 | |
| Megarrity, Lindsay | Lindsay Megarrity | Designer | 1971 | 1 | |
| McBeath, Prue | Prue McBeath | Costume Designer | 1971 | 1 | |
| McQuade, Kris | Kris McQuade | Actor | 1971 | 2 | |
| Meulenbroek, Agaath | Agaath Meulenbroek | Actor | 1971 | 1 | |
| Mulder, Frans | Frans Mulder | Actor | 1971 | 1 | |
| Molenkamp, Onno | Onno Molenkamp | Actor | 1971 | 1 | |
| Molenberg, Henk | Henk Molenberg | Actor | 1971 | 1 | |
| Mehring, Michael | Michael Mehring | Actor | 1971 | 1 | |
| Mehring, Tobias | Tobias Mehring | Actor | 1971 | 1 | |
| Meyer, Jimmy | Jimmy Meyer | Costume Designer | 1971 | 1 | |
| Mendillo, Stephen | Stephen Mendillo | Actor | 1971 | 1 | |
| Mauroeidi-Papadaki, Sofia | Sofia Mauroeidi-Papadaki | Translator | 1971 | 1 | |
| Margari, Kleopatra | Kleopatra Margari | Actor | 1971 | 1 | |
| Messany, Adalbert | Adalbert Messany | Actor | 1971 | 1 | |
| Martinek, Kristian | Kristian Martinek | Actor | 1971 | 1 | |
| Mayo, Alfredo | Alfredo Mayo | Actor | 1971 | 1 | |
| Magdaleno, Andrés | Andrés Magdaleno | Actor, Producer | 1971 | 2 | |
| Marín, Guillermo | Guillermo Marín | Actor | 1971 | 1 | |
| Mason, Raymond | Raymond Mason | Actor | 1971 | 1 | |
| Molina, Romualdo | Romualdo Molina | Adaptation | 1971 | 1 | |
| Monaci, Piero | Piero Monaci | Translator | 1971 | 1 | |
| Maghini, Ruggero | Ruggero Maghini | Conductor | 1971 | 1 | |
| Morelli, Rina | Rina Morelli | Actor | 1971 | 1 | |
| Martín, María | María Martín | Actor, Adaptation | 1971 - 1972 | 4 | |
| Moreno, Carlos | Carlos Moreno | Actor | 1971 - 1972 | 2 | |
| Marques, Waldemar | Waldemar Marques | Actor | 1971 - 1973 | 5 | |
| McCalman, Macon | Macon McCalman | Actor | 1971 - 1973 | 5 | 1 |
| Mächtlinger, Otto | Otto Mächtlinger | Actor | 1971 - 1973 | 6 | |
| Mehring, Horst | Horst Mehring | Actor | 1971 - 1975 | 3 | |
| Muszte, Anna | Anna Muszte | Actor | 1971 - 1975 | 2 | |
| Merkert, Angelika | Angelika Merkert | Actor | 1971 - 1977 | 2 | |
| Moen, Svein | Svein Moen | Actor | 1971 - 1978 | 12 | 1 |
| Maurstad, Peder | Peder Maurstad | Actor | 1971 - 1978 | 5 | 1 |
| Méndez Herrera, José | José Méndez Herrera | Translator | 1971 - 1978 | 4 | |
| McPherson, Alexander | Alexander McPherson | Costume Designer, Designer | 1971 - 1982 | 3 | |
| Müller-Reitzner, Kurt | Kurt Müller-Reitzner | Actor | 1971 - 1983 | 5 | |
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