| Mukherjee, Sharbani | Sharbani Mukherjee | Actor | 2014 | 1 | |
| Mushran, Ashwin | Ashwin Mushran | Actor | 2014 - 2018 | 9 | |
| Mortelliti, Adriana | Adriana Mortelliti | Choreographer | 2014 | 1 | |
| Marty, Charles | Charles Marty | Designer | 1994 | 1 | |
| Marr, Oceana | Oceana Marr | Actor | 1994 | 1 | |
| Möckel, Thomas | Thomas Möckel | Conductor | 1994 | 1 | |
| Møller, Trine, Bastrup | Trine Bastrup Møller | Actor | 2015 | 1 | |
| Max | Max - | Actor | 2015 | 1 | |
| Miquel, Jean-Pierre | Jean-Pierre Miquel | Adaptation, Director, Lighting Designer | 1982 - 2002 | 4 | |
| Müller, Mareille | Mareille Müller | Actor | 1982 | 1 | |
| McPherson, Alexander | Alexander McPherson | Costume Designer, Designer | 1971 - 1982 | 3 | |
| Moshammer, Bernhard | Bernhard Moshammer | Musical Director | 2014 - 2017 | 10 | |
| Musumeci, Joe | Joe Musumeci | Actor | 1982 | 1 | |
| Moran, Daniel | Daniel Moran | Actor | 1982 | 1 | |
| Massaro, Joe | Joe Massaro | Actor | 1982 | 1 | |
| Moreno, Edmund | Edmund Moreno | Actor | 1982 | 1 | |
| Majewski, Maria | Maria Majewski | Actor | 1977 - 1982 | 6 | |
| McKinney, Alisha | Alisha McKinney | Actor | 1994 - 2002 | 2 | |
| Masuth, Matthias | Matthias Masuth | Director | 1982 | 1 | |
| Martin, Sam | Sam Martin | Actor | 1994 | 1 | |
| Morrison, Sarah | Sarah Morrison | Actor | 1982 | 1 | |
| Marçal, Terezinha | Terezinha Marçal | Actor | 1982 | 4 | |
| Marques, Arnaldo | Arnaldo Marques | Actor | 1982 | 10 | |
| Maia, Melise | Melise Maia | Actor | 1982 | 4 | |
| Mello, José Augusto | José Augusto Mello | Lighting Designer | 1982 | 2 | |
| Müller-Elmau, Markwart | Markwart Müller-Elmau | Actor | 1994 - 2017 | 5 | |
| Mahlberg, Reinhard | Reinhard Mahlberg | Actor | 1994 - 2014 | 3 | |
| Myllymäki, Anita | Anita Myllymäki | Director | 1982 | 1 | |
| McCarthy, Neil | Neil McCarthy | Actor | 1994 | 1 | |
| Meise, Birgitta | Birgitta Meise | Actor | 1982 | 1 | |
| Māsēns, Agris | Agris Māsēns | Actor, Director | 1982 - 2010 | 3 | |
| Marenić, Vladimir | Vladimir Marenić | Designer | 1982 | 1 | |
| Marzo, Claudio | Claudio Marzo | Actor | 1963 - 1982 | 3 | |
| Murtinho, Kalma | Kalma Murtinho | Costume Designer | 1966 - 1983 | 9 | |
| Majanlahti, Maija-Liisa | Maija-Liisa Majanlahti | Actor | 1994 | 1 | |
| Milojevic, Alexander | Alexander Milojevic | Designer | 1980 - 1982 | 2 | |
| Mickl, Anita | Anita Mickl | Actor | 1982 | 1 | |
| Meyer, Werner | Werner Meyer | Actor | 1982 | 1 | |
| Mentz, Arthur | Arthur Mentz | Actor | 1952 - 1982 | 2 | |
| Mahu, Jos | Jos Mahu | Lighting Designer | 1982 | 1 | |
| Murphy, Robert | Robert Murphy | Actor | 1982 | 1 | |
| Modschiedler, M. | M. Modschiedler | Actor | 1982 | 2 | |
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