| Mikkola, Katriina | Katriina Mikkola | Actor | 2005 | 4 | |
| Mosorescu, George | George Mosorescu | Costume Designer, Designer | 2010 | 4 | |
| McCune, Jason | Jason McCune | Actor | 2005 | 4 | |
| Mach, Claudius | Claudius Mach | Actor, Composer | 2001 - 2002 | 4 | |
| Manuel, Carlos | Carlos Manuel | Actor, Director | 2001 - 2002 | 4 | |
| Maeyer, Jan de | Jan De Maeyer | Actor | 2001 | 4 | |
| Masuch, Sarah | Sarah Masuch | Actor | 2001 - 2004 | 4 | 1 |
| Manconi, Helga | Helga Manconi | Actor | 2001 - 2004 | 4 | |
| Marek, Michaela | Michaela Marek | Actor | 2001 - 2004 | 4 | |
| Marek, Simone | Simone Marek | Actor | 2001 - 2004 | 4 | |
| Mycan, Tomasz | Tomasz Mycan | Actor | 2009 - 2012 | 4 | |
| Maciejewski, Sławomir | Sławomir Maciejewski | Actor | 2009 - 2012 | 4 | |
| Malinowski, Wiktor | Wiktor Malinowski | Actor | 2007 | 4 | |
| Muczyń, Agnieszka | Agnieszka Muczyń | Actor | 2007 | 4 | |
| Metten, Marcel | Marcel Metten | Actor | 2005 - 2009 | 4 | 1 |
| Mangold, Philipp | Philipp Mangold | Adaptation, Director | 2006 | 4 | |
| Mirčevska, Žanina | Žanina Mirčevska | Adaptation, Dramaturg, Playwright | 2007 - 2015 | 4 | |
| Mejia, Adrian | Adrian Mejia | Actor | 2006 | 4 | |
| Macherey, François | François Macherey | Actor | 2007 - 2008 | 4 | |
| Mikkelsen, Terje | Terje Mikkelsen | Conductor | 2014 - 2015 | 4 | |
| Mehnert, Isa | Isa Mehnert | Designer | 2006 | 4 | |
| Maloney, Tracey | Tracey Maloney | Actor | 1998 - 2008 | 4 | 1 |
| Mouaïmis, Giorgos | Giorgos Mouaïmis | Actor | 2008 | 4 | |
| Maier, Franz | Franz Maier | Actor | 2008 - 2009 | 4 | |
| Mareich, Helmi | Helmi Mareich | Actor | 1950 - 1962 | 4 | 1 |
| Moe, Johan, Fossli | Johan Fossli Moe | Actor | 2008 | 4 | |
| Minto, Rachel | Rachel Minto | Actor | 2009 | 4 | |
| Molano, Juan Carlos Osorio | Juan Carlos Osorio Molano | Actor | 2008 - 2009 | 4 | |
| Martínez, Jorge Andrés, López | Jorge Andrés López Martínez | Actor | 2008 - 2009 | 4 | |
| Möllerstedt, Magnus | Magnus Möllerstedt | Costume Designer, Designer | 2010 | 4 | |
| Manning, K. Lorrel | K. Lorrel Manning | Adaptation, Director | 2010 - 2017 | 4 | 1 |
| Macheiner, Barbara | Barbara Macheiner | Actor | 2009 | 4 | |
| Montfort, Georg | Georg Montfort | Actor, Director | 1961 - 1965 | 4 | |
| Menke, Isabelle | Isabelle Menke | Actor | 2015 - 2017 | 4 | |
| Menon, Sherlyn | Sherlyn Menon | Actor | 2010 - 2017 | 4 | |
| Manheden, Stina | Stina Manheden | Actor | 2011 | 4 | |
| Mädler, Kathrin | Kathrin Mädler | Director, Dramaturg | 2011 - 2016 | 4 | |
| Mărculescu, Grigore | Grigore Mărculescu | Actor | 1920 - 1932 | 4 | |
| Momme, Jane | Jane Momme | Actor | 2011 - 2012 | 4 | |
| Mankell, Henning | Henning Mankell | Adaptation, Director | 2012 | 4 | 1 |
| Moreno, Luis | Luis Moreno | Actor | 2011 | 4 | 1 |
| Mann, Ellika | Ellika Mann | Actor | 1964 - 1968 | 4 | |
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