| Margulies, Jonathan | Jonathan Margulies | Actor | 1978 | 1 | |
| Mitropoulou, Kaiti | Kaiti Mitropoulou | Actor | 1980 - 1992 | 3 | |
| Moreno, Andrés | Andrés Moreno | Actor | 1980 | 1 | |
| Morales, Victoria, M. | Victoria M. Morales | Actor | 1980 | 1 | |
| Maldonado, Luis, F. | Luis F. Maldonado | Actor | 1980 | 1 | |
| Méndez, José | José Méndez | Costume Designer, Designer | 1981 | 2 | |
| Morales, Juana, María | Juana María Morales | Actor | 1981 | 1 | |
| Machata, Karol | Karol Machata | Actor | 1983 | 1 | |
| Magálová, Kamila | Kamila Magálová | Actor | 1983 | 1 | |
| Makantouni, Ifigeneia | Ifigeneia Makantouni | Actor | 1984 | 1 | |
| Marwin, Mel | Mel Marwin | Composer | 1986 | 1 | |
| Mußmacher, Renate | Renate Mußmacher | Mask Maker | 1986 | 1 | |
| Majoros, István | István Majoros | Choreographer | 1976 - 1991 | 3 | |
| Matus, György | György Matus | Actor | 1983 | 1 | |
| Máhr, Ági | Ági Máhr | Actor | 1983 | 1 | |
| Márffy, Vera | Vera Márffy | Actor | 1983 | 1 | |
| Makra, Ildikó | Ildikó Makra | Actor | 1983 | 1 | |
| Molnár, Zsuzsa | Zsuzsa Molnár | Actor | 1983 - 1991 | 4 | |
| Mazis, Giorgos | Giorgos Mazis | Actor | 1985 | 9 | |
| Mantzaris, Christos | Christos Mantzaris | Actor | 1985 | 9 | |
| Mihályi, Győző | Győző Mihályi | Actor | 1983 | 1 | |
| McFarland, Charles | Charles McFarland | Director | 1987 | 1 | |
| Maxwell, Victoria | Victoria Maxwell | Actor | 1987 | 1 | |
| Mota, David | David Mota | Designer | 1987 | 1 | |
| Mc Laughlin, Richard | Richard Mc Laughlin | Designer | 1987 | 1 | |
| Mokrowiecki , Marek | Marek Mokrowiecki | Director | 1983 | 1 | |
| Maragkou, Katerina | Katerina Maragkou | Actor | 1990 - 2008 | 3 | |
| Minkov, Margarit | Margarit Minkov | Adaptation, Director | 1991 | 2 | |
| Matoh, Bine | Bine Matoh | Actor | 1992 | 1 | |
| Mihelič, Mojca | Mojca Mihelič | Actor | 1992 | 1 | |
| Mankovecký, Róbert | Róbert Mankovecký | Composer, Dramaturg | 1993 | 2 | |
| Mazalová, Gita | Gita Mazalová | Actor | 1993 | 1 | |
| Mishulin, Spartak | Spartak Mishulin | Actor | 1993 | 1 | |
| Manker, Paulus | Paulus Manker | Actor | 1983 - 2003 | 6 | |
| Morley, Christopher | Christopher Morley | Costume Designer, Designer | 1983 | 2 | |
| Myklestad, Willy | Willy Myklestad | Lighting Designer | 1983 - 1988 | 2 | |
| Mæland, Harald | Harald Mæland | Musician | 1983 | 1 | |
| Majcherek, Henryk | Henryk Majcherek | Actor | 1983 | 1 | |
| Meinecke, Katrin | Katrin Meinecke | Actor | 1983 | 1 | |
| Morand, Philippe | Philippe Morand | Director | 1993 | 13 | |
| Maechler, Valérie | Valérie Maechler | Actor | 1993 | 13 | |
| Metodiev, Stefan | Stefan Metodiev | Director | 1994 | 1 | |
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