| Merli, Francesca | Francesca Merli | Director, Lighting Designer | 2024 | 4 | |
| Martini, Giacomo | Giacomo Martini | Actor | 2024 | 2 | |
| Mack, Mirren | Mirren Mack | Actor | 2025 | 2 | |
| Morrison, Michael | Michael Morrison | Director | 2024 | 1 | |
| Moore-Slay, Hayden | Hayden Moore-Slay | Actor | 2024 | 1 | |
| Meneghini, Tammy | Tammy Meneghini | Actor | 2024 | 2 | |
| Meakins, Cal | Cal Meakins | Stage Manager | 2024 | 2 | |
| Matysiak, Robert | Robert Matysiak | Lighting Designer | 2024 | 2 | |
| Mugford, Willow | Willow Mugford | Actor | 2024 | 1 | |
| Moulder, Hillary | Hillary Moulder | Choreographer | 2024 | 1 | |
| Maxwell, Casey | Casey Maxwell | Actor | 2024 | 1 | |
| Mendy, Gustavo García | Gustavo García Mendy | Sound Designer | 2024 | 1 | |
| María, Ariel Pérez de | Ariel Pérez de María | Actor | 2024 | 1 | |
| Maughan, Josh | Josh Maughan | Director | | 1 | |
| Mistroni, Alice | Alice Mistroni | Actor | 2024 | 1 | |
| Mealings, Danyelle | Danyelle Mealings | Actor | 2024 | 1 | |
| McDaniel, Derrick | Derrick McDaniel | Lighting Designer | 2024 | 2 | |
| Menchavez, Ejay | Ejay Menchavez | Choreographer | | 1 | |
| Meskin, Aharon | Aharon Meskin (אהרון מסקין) | Actor | 1947 | 1 | |
| Magić, Vanja | Vanja Magić | Set Designer | 2024 | 1 | |
| Moscoloni, Facundo | Facundo Moscoloni | Director | 2024 | 1 | |
| Mckissick, Ellie | Ellie Mckissick | Director | 2024 | 1 | |
| Mork, Trevor | Trevor Mork | Actor | 2024 | 1 | |
| Murri, Angela | Angela Murri | Actor | 2024 | 1 | |
| Malik, Feroz J. | Feroz J. Malik | Actor | 2025 | 1 | |
| Munárriz, Miguel | Miguel Munárriz | Director | 2009 | 12 | |
| Mohseni, Peyman | Peyman Mohseni | Actor | 2024 | 1 | |
| Michele, Elena | Elena Michele | Actor | 2025 | 1 | |
| Malatesta, Enrico | Enrico Malatesta | Musician | 2025 | 2 | |
| Massey, Anna | Anna Massey | Actor | 1970 - 1973 | 2 | 1 |
| McGuinness, Frank | Frank McGuinness | Adaptation, Producer, Translator | 1987 - 2020 | 140 | 1 |
| Munkeby, Jørgen | Jørgen Munkeby | Composer | 2006 - 2011 | 5 | 1 |
| Moritzen, Henning | Henning Moritzen | Actor | 1957 - 2000 | 5 | 1 |
| Malahide, Patrick | Patrick Malahide | Actor | 1992 - 1994 | 4 | 1 |
| Michelsen, Lars | Lars Michelsen | Actor | 1876 - 1889 | 43 | 1 |
| Meyerhoff, Juliane | Juliane Meyerhoff | Actor | 1976 - 2009 | 2 | 1 |
| Meyer, Marie | Marie Meyer | Actor | 1878 - 1904 | 15 | 1 |
| Morawiecz, Barbara | Barbara Morawiecz | Actor | 1995 | 1 | 1 |
| Manz, Andreas | Andreas Manz | Actor, Director | 2007 - 2009 | 3 | 1 |
| Malmström, Ernst | Ernst Malmström | Actor, Director | 1879 - 1912 | 40 | 1 |
| Maalismaa, Markku | Markku Maalismaa | Actor | 1985 - 2005 | 4 | 1 |
| Macaleer, Carey | Carey Macaleer | Actor | 2006 | 2 | 1 |
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