| Muscan, Liviu | Liviu Muscan | Actor | 1929 | 2 | |
| Murray, Erin | Erin Murray | Adaptation, Director | 2018 | 2 | |
| Munby, Jonathan | Jonathan Munby | Director | 2018 | 2 | |
| Motoori, Satoshi, Saikyo | Satoshi Saikyo Motoori | Actor | 2018 | 2 | |
| Metsugi, Rikki | Rikki Metsugi | Actor | 2018 | 2 | |
| Matujec, Vanja | Vanja Matujec | Actor | 2018 | 2 | |
| Moise, Denisse | Denisse Moise | Designer | 2018 | 2 | |
| McArton, Megan | Megan McArton | Actor, Director | 2019 | 2 | |
| McVicker, Chris | Chris McVicker | Designer, Lighting Designer | 2019 | 2 | |
| Musio, Paolo | Paolo Musio | Actor | 2019 | 2 | |
| Minati, Alessandro | Alessandro Minati | Actor | 2019 | 2 | |
| McMonagle, Graham | Graham McMonagle | Costume Designer, Designer | 2019 | 2 | |
| MacFadyen, Lorne | Lorne MacFadyen | Actor | 2019 | 2 | |
| McNamara, Adam | Adam McNamara | Actor | 2019 | 2 | |
| Marić, Milan | Milan Marić | Actor | 2015 | 2 | |
| Merritt, Emilio | Emilio Merritt | Actor, Director | 2019 | 2 | |
| Martinov-Pavlović, Ksenija | Ksenija Martinov-Pavlović | Actor | 1984 - 2006 | 2 | |
| Matić, Petar | Petar Matić | Actor | 1932 - 1936 | 2 | |
| Maglečić, Tomislav | Tomislav Maglečić | Lighting Designer | 2017 - 2021 | 2 | |
| Maržik, Slavoj | Slavoj Maržik | Translator | 1891 - 1897 | 2 | |
| Mikulić, Nevenka | Nevenka Mikulić | Actor | 1935 - 1961 | 2 | |
| Mismer, Mario | Mario Mismer | Assistant Director | 1983 | 2 | |
| Milčin, Ilija | Ilija Milčin | Director, Translator | 1957 - 1976 | 2 | |
| Milkova, Julija | Julija Milkova | Actor | 2017 | 2 | |
| Milovanović, M.D. | M.D. Milovanović | Actor, Director | 1907 - 1910 | 2 | |
| Moes, Jarne | Jarne Moes | Actor | 2019 | 2 | |
| Melinda Kántor | Melinda Kántor | Actor | 2019 | 2 | |
| Mesarić, Kulman | Kulman Mesarić | Director, Translator | 1948 | 2 | |
| Milennic, Mirjana | Mirjana Milennic | Actor | 2019 | 2 | |
| Ma, Dan | Dan Ma | Actor | 2019 | 2 | |
| Mattei, Igor | Igor Mattei | Actor | 2020 | 2 | |
| Miholjčan, Tomo | Tomo Miholjčan | Actor | 1928 - 1934 | 2 | |
| Morena, Marianella | Marianella Morena | Adaptation, Director | 2019 | 2 | |
| Martinčević, Joso | Joso Martinčević | Actor | 1925 - 1933 | 2 | |
| Moreno, Carlos | Carlos Moreno | Actor | 1971 - 1972 | 2 | |
| Manrique, Julio | Julio Manrique | Director | 2017 - 2020 | 2 | |
| Marco, Lluis | Lluis Marco | Actor | 2017 - 2020 | 2 | |
| Mars, Miquel | Miquel Mars | Actor | 2013 | 2 | |
| Minaya, María | María Minaya | Actor | 2013 | 2 | |
| Malara, Francesca | Francesca Malara | Assistant Director, Director | 2018 - 2019 | 2 | 1 |
| Merlino, María | María Merlino | Actor, Adaptation | 2016 | 2 | |
| Mendy, Carlos | Carlos Mendy | Actor | 1961 - 1966 | 2 | 1 |
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