| Monteith, Michelle | Michelle Monteith | Actor | 2011 | 1 | |
| MacDonald, Ken | Ken MacDonald | Designer | 2011 | 1 | |
| Manners, Buffy | Buffy Manners | Costume Designer | 2011 | 1 | |
| Murphy, Gerard | Gerard Murphy | Actor | 2011 | 1 | |
| Mitchell, Ann | Ann Mitchell | Actor | 2011 | 1 | |
| McDermott, Gerard | Gerard McDermott | Actor | 2011 - 2023 | 3 | |
| Müller, Günter | Günter Müller | Actor | 1960 | 1 | |
| Merker-Paschen, Käthe | Käthe Merker-Paschen | Actor | 1960 | 1 | |
| Møller, Christen | Christen Møller | Actor, Adaptation, Director | 1934 - 1964 | 4 | |
| Markuslund, Keld | Keld Markuslund | Actor | 1944 - 2003 | 7 | |
| Minich, Heide | Heide Minich | Actor | 1960 | 1 | |
| Marzocchi, Franco | Franco Marzocchi | Dramaturg | 1959 | 4 | |
| Mauri, Glauco | Glauco Mauri | Actor | 1959 | 4 | |
| Miranda, Lucía | Lucía Miranda | Adaptation, Director | 2015 - 2017 | 28 | |
| Mitra, Rina | Rina Mitra | Costume Designer | 2012 | 1 | |
| Meli, Marilena | Marilena Meli | Costume Designer | 2011 | 1 | |
| Moritz, Kati | Kati Moritz | Lighting Designer | 2011 | 1 | |
| Meyer, Olivia | Olivia Meyer | Actor | 2011 | 1 | |
| Marilier, François | François Marilier | Composer | 2011 | 1 | |
| Monti, Rosanna | Rosanna Monti | Costume Designer | 2011 - 2013 | 16 | |
| Mermigkis, Stavros | Stavros Mermigkis | Actor | 2011 - 2012 | 16 | |
| McBryde, Ryan | Ryan McBryde | Director | 2011 | 1 | |
| Morley, Jim | Jim Morley | Actor | 2011 | 1 | |
| Michaels, Jeremy | Jeremy Michaels | Actor, Composer | 2011 - 2013 | 3 | |
| Mugur, Val | Val Mugur | Director | 1944 | 1 | |
| Moldakhanov, Seydulla | Seydulla Moldakhanov | Actor | 2012 | 1 | |
| Mayanglambam, Mangka | Mangka Mayanglambam | Actor | 2012 | 2 | |
| Marcopol, Athena | Athena Marcopol | Actor | 1944 - 1945 | 2 | |
| Macedonski, Dinu | Dinu Macedonski | Actor | 1944 | 1 | |
| Miloia, Virgil | Virgil Miloia | Designer | 1965 | 1 | |
| Mălureanu, Florica | Florica Mălureanu | Costume Designer, Designer | 1976 | 2 | |
| Micalgic, Goran | Goran Micalgic | Actor | 2012 | 2 | |
| Mahoney, Caitlin | Caitlin Mahoney | Actor | 2011 - 2013 | 2 | |
| Mogbock, Jenn | Jenn Mogbock | Actor | 2011 | 1 | |
| Mascaro, Marcel | Marcel Mascaro | Actor | 2011 - 2013 | 2 | |
| Melnychuk, Katie | Katie Melnychuk | Actor | 2011 | 1 | |
| Mänttäri, Jyrki | Jyrki Mänttäri | Actor | 2011 - 2012 | 2 | |
| Muntasir, Ahmed | Ahmed Muntasir | Musician | 2013 | 10 | |
| Malakhov, Vladimir | Vladimir Malakhov | Actor | 2011 | 1 | |
| Mestrovic, Sarah | Sarah Mestrovic | Actor | 2011 | 3 | |
| Mocanu, Florentina | Florentina Mocanu | Actor | 1988 | 1 | |
| Marinov, Vladislav | Vladislav Marinov | Actor | 2011 | 5 | |
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