| Mamont, Zbigniew | Zbigniew Mamont | Actor | 1975 | 1 | |
| Maślińska, Irena | Irena Maślińska | Actor | 1975 | 1 | |
| Mbuende, Willy | Willy Mbuende | Actor | 1975 | 1 | |
| McCallum, Nicholas | Nicholas McCallum | Actor | 1975 | 1 | |
| Meyer, Hans | Hans Meyer | Actor | 1975 | 1 | |
| Moran, Val | Val Moran | Costume Designer | 1975 | 1 | |
| Magee, Sean | Sean Magee | Sound Designer | 1975 | 1 | |
| Macpherson, John | John Macpherson | Actor | 1975 | 1 | |
| Marić, Veljko | Veljko Marić | Musical Director | 1975 | 1 | |
| Mesić, Cvijeta | Cvijeta Mesić | Actor | 1975 | 1 | |
| Morgan, Fidelis | Fidelis Morgan | Actor | 1975 | 1 | |
| Magnusson, Kerstin | Kerstin Magnusson | Actor | 1975 | 1 | |
| Montenegro, Manolita T. | Manolita T. Montenegro | Actor | 1975 | 1 | |
| Moretti, Rosanne Silvia | Rosanne Silvia Moretti | Adaptation, Choreographer, Dancer | 1975 | 3 | |
| Micol, Pino | Pino Micol | Actor | 1975 | 1 | |
| Mancinelli, Pietro | Pietro Mancinelli | Sound Designer | 1975 | 1 | |
| Marronese, Antonio | Antonio Marronese | Actor | 1975 | 1 | |
| Marogna, Augusto | Augusto Marogna | Actor | 1975 | 1 | |
| Magris, Claudio | Claudio Magris | Translator | 1974 - 2020 | 21 | 1 |
| Menegatti, Beppe | Beppe Menegatti | Director | 1974 - 2007 | 7 | |
| Misiak, Sarah | Sarah Misiak | Actor | 1974 - 2000 | 4 | |
| Matthies, Eberhard | Eberhard Matthies | Costume Designer, Designer | 1974 - 1999 | 6 | |
| Maranzana, Mario | Mario Maranzana | Actor, Director | 1974 - 1998 | 8 | |
| Maneva, Zvetana | Zvetana Maneva | Actor | 1974 - 1994 | 6 | |
| Mindov, Stojan | Stojan Mindov | Actor | 1974 - 1994 | 5 | |
| Mezzanotte, Luigi | Luigi Mezzanotte | Actor | 1974 - 1993 | 10 | |
| Maßel, Helmut | Helmut Maßel | Actor, Director | 1974 - 1992 | 3 | |
| McDonnell, Mary | Mary McDonnell | Actor | 1974 - 1986 | 2 | 1 |
| Martin, Christopher | Christopher Martin | Actor, Adaptation, Designer, Director | 1974 - 1981 | 10 | 1 |
| Morgan, Robert | Robert Morgan | Costume Designer | 1974 - 1979 | 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 | 1 |
| Montenegro, Ángela | Ángela Montenegro | Actor | 1974 - 1978 | 2 | |
| Maynard, Anita | Anita Maynard | Actor | 1974 - 1977 | 3 | |
| Mårtensson, Lillemor | Lillemor Mårtensson | Actor | 1974 - 1975 | 2 | |
| Mari, Roberto | Roberto Mari | Actor | 1974 - 1975 | 6 | |
| Mari, Franco | Franco Mari | Actor | 1974 - 1975 | 6 | |
| Maniscalco, Gioacchino | Gioacchino Maniscalco | Actor | 1974 - 1975 | 6 | |
| Mancioppi, Alberto | Alberto Mancioppi | Actor | 1974 - 1975 | 6 | |
| Malm, Mona | Mona Malm | Actor | 1974 - 1975 | 2 | |
| Mård, Tommy | Tommy Mård | Actor | 1974 - 1975 | 2 | |
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