| Meierhofer, Felix | Felix Meierhofer | Actor | 1956 | 2 | |
| Mercs, Ēvalds | Ēvalds Mercs | Actor, Director | 1941 - 1956 | 3 | |
| Marmeliuc, Lia | Lia Marmeliuc | Translator | 1957 - 1967 | 2 | |
| Musceleanu, George | George Musceleanu | Actor | 1957 | 1 | |
| Mureşanu, Vasile | Vasile Mureşanu | Actor | 1967 | 1 | |
| Marinescu-Kanya, Marina | Marina Marinescu-Kanya | Actor | 1973 | 1 | |
| Mihăescu, Vasile | Vasile Mihăescu | Actor | 1978 | 1 | |
| Molocea, Constantin | Constantin Molocea | Costume Designer, Designer | 1993 | 2 | |
| Monroe, Kimber | Kimber Monroe | Actor | 2016 | 1 | |
| Mazel, Otto | Otto Mazel | Actor | 1916 - 1918 | 4 | |
| Meinrad, Lia | Lia Meinrad | Actor | 1916 - 1918 | 2 | |
| Milione, Alyssa | Alyssa Milione | Lighting Designer | 2016 | 1 | |
| Magyar, Éva | Éva Magyar | Actor | 2016 - 2018 | 27 | |
| Meng, Tong | Tong Meng | Actor | 2014 - 2016 | 5 | |
| Montonen, Uuno | Uuno Montonen | Actor | 1935 - 1955 | 2 | |
| Magnusson, Georg | Georg Magnusson | Designer | 1955 - 1958 | 2 | |
| Malmberg, Otto | Otto Malmberg | Actor | 1952 - 1955 | 3 | |
| Maylor, Ella | Ella Maylor | Actor | 1917 | 1 | |
| Moulder, Ryan | Ryan Moulder | Actor | 1998 | 1 | |
| Morbillo, Angelo | Angelo Morbillo | Actor | 1998 | 1 | |
| Maccagno, Stefano | Stefano Maccagno | Composer | 1998 | 1 | |
| Maggi, Simona | Simona Maggi | Choreographer | 1998 | 1 | |
| Mētra, Jānis | Jānis Mētra | Actor | 1955 | 1 | |
| Magnus, Dorothy, B. | Dorothy B. Magnus | Director | 1955 | 1 | |
| Mugur, Dimitrie | Dimitrie Mugur | Actor | 1934 - 1943 | 2 | |
| Merkouri, Melina | Melina Merkouri | Actor | 1949 - 1955 | 3 | |
| Margaritis, Giannis | Giannis Margaritis | Director | 2013 | 1 | |
| Ma, Ruizhi | Ruizhi Ma | Costume Designer | 1983 | 1 | |
| Mu, Baisuo | Baisuo Mu | Designer | 1983 | 1 | |
| Mantesi, Gianni | Gianni Mantesi | Actor | 1954 | 1 | |
| Moraldi, Franco | Franco Moraldi | Actor | 1954 | 1 | |
| Morelli, Hr. | Hr. Morelli | Actor | 1954 | 1 | |
| Mann, Hubert | Hubert Mann | Actor | 1954 | 1 | |
| Mochan, Carmen | Carmen Mochan | Actor | 1954 | 1 | |
| Momuleanu, Eufrosina | Eufrosina Momuleanu | Actor | 1903 | 1 | |
| Mavrodi, Alexandru | Alexandru Mavrodi | Actor | 1903 | 1 | |
| Mi, Le | Le Mi | Actor | 2015 - 2017 | 6 | |
| McNamara, Annie | Annie McNamara | Actor | 1998 | 1 | |
| Masterson, Dorothy | Dorothy Masterson | Actor | 1954 | 1 | |
| Murgatroyd, Betty | Betty Murgatroyd | Actor | 1943 - 1953 | 2 | |
| MacShane, Don | Don MacShane | Director | 1953 | 1 | |
| Moriarty, Sheila | Sheila Moriarty | Actor | 1953 | 1 | |
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