| Miller, Jonathan | Jonathan Miller | Director | 1974 | 1 | |
| Maneva, Petja | Petja Maneva | Actor | 1974 | 1 | |
| Metscheva, Liljana | Liljana Metscheva | Director | 1974 | 1 | |
| Moreas, Tasos | Tasos Moreas | Actor | 1974 | 7 | |
| Marinaro, Martin | Martin Marinaro | Actor | 1974 | 1 | |
| Maddison, John | John Maddison | Actor | 1974 | 1 | |
| McGregor, Angela Punch | Angela Punch McGregor | Actor | 1974 | 1 | |
| Menéndez, Ramón | Ramón Menéndez | Actor | 1974 | 1 | |
| Mooney, Robert | Robert Mooney | Actor | 1974 | 1 | |
| Meyers, Patrick | Patrick Meyers | Actor | 1974 | 1 | |
| Moses, Thomas G. | Thomas G. Moses | Actor | 1974 | 1 | |
| McArdle, Nicholas | Nicholas McArdle | Actor | 1974 | 1 | |
| Mari, Roberto | Roberto Mari | Actor | 1974 | 3 | |
| Mari, Franco | Franco Mari | Actor | 1974 | 3 | |
| Maniscalco, Gioacchino | Gioacchino Maniscalco | Actor | 1974 | 3 | |
| Matoušek, František | František Matoušek | Actor | 1974 | 1 | |
| Milewska, Anna | Anna Milewska | Actor | 1974 | 1 | |
| Máresch, Belá | Belá Máresch | Actor | 1974 | 1 | |
| Monn-Iversen, Arne | Arne Monn-Iversen | Musician | 1974 | 10 | |
| Mann, Kristen | Kristen Mann | Actor | 1974 | 1 | |
| Martín, Maribel | Maribel Martín | Actor | 1974 | 1 | |
| Müller-Scherz, Fritz | Fritz Müller-Scherz | Assistant Director | 1974 | 1 | |
| Medina, Tetê | Tetê Medina | Actor | 1974 | 1 | |
| Mårtensson, Lillemor | Lillemor Mårtensson | Actor | 1974 - 1975 | 2 | |
| Mancioppi, Alberto | Alberto Mancioppi | Actor | 1974 - 1975 | 6 | |
| Malm, Mona | Mona Malm | Actor | 1974 - 1975 | 2 | |
| Mård, Tommy | Tommy Mård | Actor | 1974 - 1975 | 2 | |
| Maynard, Anita | Anita Maynard | Actor | 1974 - 1977 | 3 | |
| Maier, Werner | Werner Maier | Sound Designer | 1974 - 1978 | 2 | |
| Mann, Martha | Martha Mann | Costume Designer, Designer | 1974 - 1978 | 2 | |
| Mészáros, Ági | Ági Mészáros | Actor | 1974 - 1978 | 2 | |
| Morgan, Robert | Robert Morgan | Costume Designer | 1974 - 1979 | 3 | |
| Martin, Christopher | Christopher Martin | Actor, Adaptation, Designer, Director | 1974 - 1981 | 10 | |
| McDonnell, Mary | Mary McDonnell | Actor | 1974 - 1986 | 2 | |
| Maßel, Helmut | Helmut Maßel | Actor, Director | 1974 - 1992 | 3 | |
| Maneva, Zvetana | Zvetana Maneva | Actor | 1974 - 1994 | 6 | |
| Mindov, Stojan | Stojan Mindov | Actor | 1974 - 1994 | 5 | |
| Maranzana, Mario | Mario Maranzana | Actor, Director | 1974 - 1998 | 8 | |
| Matthies, Eberhard | Eberhard Matthies | Costume Designer, Designer | 1974 - 1999 | 6 | |
| Misiak, Sarah | Sarah Misiak | Actor | 1974 - 2000 | 4 | |
| Menegatti, Beppe | Beppe Menegatti | Director | 1974 - 2007 | 7 | |
| Magris, Claudio | Claudio Magris | Translator | 1974 - 2020 | 16 | |
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