| Mogoş, Romeo | Romeo Mogoş | Actor | 1968 | 1 | |
| Moore, Catherine | Catherine Moore | Actor | 2016 | 1 | |
| Moore, Thomas Constantine | Thomas Constantine Moore | Actor | 2016 | 1 | |
| Moldovan, Gheorghe | Gheorghe Moldovan | Actor | 1978 - 1995 | 2 | |
| Motoi, Giliola | Giliola Motoi | Actor | 1995 | 1 | |
| Markey, Jolande | Jolande Markey | Actor | 1956 - 1957 | 6 | |
| Maeremans, G. | G. Maeremans | Actor | 1956 - 1957 | 3 | |
| Mertens, J. | J. Mertens | Actor | 1956 - 1957 | 3 | |
| Meyer-Bruhns, Luise | Luise Meyer-Bruhns | Actor | 1956 | 1 | |
| Mewes, Ingund | Ingund Mewes | Actor | 1956 | 1 | |
| Müller, Hanns | Hanns Müller | Actor | 1956 | 2 | |
| Moruzan, Dem. | Dem. Moruzan | Actor | 1956 | 1 | |
| Meierhofer, Felix | Felix Meierhofer | Actor | 1956 | 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 | |
| Monroe, Kimber | Kimber Monroe | Actor | 2016 | 1 | |
| Mazel, Otto | Otto Mazel | Actor | 1916 - 1918 | 4 | |
| Meinrad, Lia | Lia Meinrad | Actor | 1916 - 1918 | 2 | |
| Magyar, Éva | Éva Magyar | Actor | 2016 - 2018 | 27 | |
| Meng, Tong | Tong Meng | Actor | 2014 - 2016 | 5 | |
| Montonen, Uuno | Uuno Montonen | Actor | 1935 - 1955 | 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 | |
| Mētra, Jānis | Jānis Mētra | Actor | 1955 | 1 | |
| Mugur, Dimitrie | Dimitrie Mugur | Actor | 1934 - 1943 | 2 | |
| Merkouri, Melina | Melina Merkouri | Actor | 1949 - 1955 | 3 | |
| 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 | |
| Moriarty, Sheila | Sheila Moriarty | Actor | 1953 | 1 | |
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