| Maloney, Tracey | Tracey Maloney | Actor | 1998 - 2008 | 4 | 1 |
| Mathews, Alison | Alison Mathews | Actor | 2009 | 2 | 1 |
| Moreno, Carolina | Carolina Moreno | Translator | 2008 | 1 | 1 |
| Makarevitch, Elisa | Elisa Makarevitch | Actor | 2008 | 8 | 1 |
| Maucher, Marion | Marion Maucher | Actor | 2008 - 2011 | 6 | 1 |
| McAllister, Amy | Amy McAllister | Actor | 2008 | 1 | 1 |
| Meyer, Sarah Sophia | Sarah Sophia Meyer | Actor | 2008 - 2009 | 2 | 1 |
| McCrory, Helen | Helen McCrory | Actor | 2008 | 1 | 1 |
| Mareich, Helmi | Helmi Mareich | Actor | 1950 - 1962 | 4 | 1 |
| Mison, Tom | Tom Mison | Actor | 2008 | 1 | 1 |
| Meyer, Susa | Susa Meyer | Actor | 2008 - 2017 | 5 | 1 |
| Mathis, Christian | Christian Mathis | Composer | 2009 - 2010 | 3 | 1 |
| Matousek, Florence | Florence Matousek | Actor | 2009 - 2013 | 2 | 1 |
| Massingham, Andy | Andy Massingham | Actor | 2009 | 1 | 1 |
| Murray, Michael | Michael Murray | Adaptation, Director | 2009 | 2 | 1 |
| Maurer, Elizabeth Ingram | Elizabeth Ingram Maurer | Actor | 2009 | 1 | 1 |
| Mitchell, Justine | Justine Mitchell | Actor | 2008 | 1 | 1 |
| Müller, C. R. | C. R. Müller | Costume Designer, Designer | 2008 | 2 | 1 |
| Manning, K. Lorrel | K. Lorrel Manning | Adaptation, Director | 2010 - 2017 | 4 | 1 |
| McMurtry, Jonathan | Jonathan McMurtry | Actor | 2010 | 1 | 1 |
| MacDonald, Laura Lynn | Laura Lynn MacDonald | Adaptation, Translator | 2009 | 2 | 1 |
| Müller, Anne | Anne Müller | Actor | 2009 - 2010 | 20 | 1 |
| Mongillo, Fiona | Fiona Mongillo | Actor | 2009 | 1 | 1 |
| Marchand, Jacques | Jacques Marchand | Actor | 2010 | 2 | 1 |
| Mendes, José Maria, Vieira | José Maria Vieira Mendes | Adaptation | 2010 | 2 | 1 |
| McDougall, Desireé, Kongerød | Desireé Kongerød McDougall | Translator | 2010 | 1 | 1 |
| Meineck, Peter W. | Peter W. Meineck | Adaptation, Designer, Director | 2009 - 2010 | 60 | 1 |
| Miyata, Keiko | Keiko Miyata | Director | 2010 | 1 | 1 |
| Millgård, Moa | Moa Millgård | Actor | 2009 | 1 | 1 |
| Morsbach, Rylan | Rylan Morsbach | Actor | 2009 | 1 | 1 |
| Malabre, Carrie | Carrie Malabre | Actor | 2009 | 1 | 1 |
| Moroney, Ed | Ed Moroney | Actor | 2011 | 1 | 1 |
| Manz-Kozár, Andreas | Andreas Manz-Kozár | Actor | 2013 - 2015 | 2 | 1 |
| Metz, Stefan | Stefan Metz | Adaptation, Director | 2011 | 2 | 1 |
| McBay, Leslie | Leslie McBay | Actor | 2010 | 1 | 1 |
| McGrath, Joseph | Joseph McGrath | Actor, Designer | 2010 | 2 | 1 |
| Meier, Cynthia | Cynthia Meier | Actor, Costume Designer | 2010 | 2 | 1 |
| MacLean, Frazer | Frazer MacLean | Actor | 1964 | 1 | 1 |
| Mati, Sylvia | Sylvia Mati | Actor | 2011 | 1 | 1 |
| Macdonald, James | James Macdonald | Director | 2010 - 2011 | 2 | 1 |
| McNamara, Robert | Robert McNamara | Director | 2012 | 1 | 1 |
| Möst, Raphaela | Raphaela Möst | Actor | 2012 - 2017 | 6 | 1 |
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