| Moreno, Ricardo | Ricardo Moreno | Designer, Lighting Designer | 1956 | 2 | 1 |
| Mușețeanu, Rodica | Rodica Mușețeanu | Actor | 1969 - 1976 | 2 | |
| Manidaki, Eva | Eva Manidaki | Designer, Director | 2013 - 2020 | 2 | |
| Mihailovici, Fifi | Fifi Mihailovici | Actor | 1932 - 1963 | 2 | |
| McQueen, Vincent | Vincent McQueen | Actor | 1956 - 1999 | 2 | |
| McKenna, Seana | Seana McKenna | Actor | 2016 - 2020 | 2 | |
| Moldovan, Gheorghe | Gheorghe Moldovan | Actor | 1978 - 1995 | 2 | |
| Müller, Hanns | Hanns Müller | Actor | 1956 | 2 | |
| Meierhofer, Felix | Felix Meierhofer | Actor | 1956 | 2 | |
| Marmeliuc, Lia | Lia Marmeliuc | Translator | 1957 - 1967 | 2 | |
| Molocea, Constantin | Constantin Molocea | Costume Designer, Designer | 1993 | 2 | |
| Meinrad, Lia | Lia Meinrad | Actor | 1916 - 1918 | 2 | |
| Montonen, Uuno | Uuno Montonen | Actor | 1935 - 1955 | 2 | |
| Magnusson, Georg | Georg Magnusson | Designer | 1955 - 1958 | 2 | |
| Mugur, Dimitrie | Dimitrie Mugur | Actor | 1934 - 1943 | 2 | |
| Murgatroyd, Betty | Betty Murgatroyd | Actor | 1943 - 1953 | 2 | |
| Masarachia, Felix | Felix Masarachia | Actor, Composer | 1952 | 2 | |
| Mjelva, Gunvor | Gunvor Mjelva | Actor | 1952 - 2006 | 2 | |
| McGarity, Daniel | Daniel McGarity | Actor | 1951 | 2 | |
| Mai, Felicitas | Felicitas Mai | Dramaturg, Translator | 1998 | 2 | |
| Mitchell, Norman | Norman Mitchell | Actor | 1947 - 1951 | 2 | |
| May, Jack | Jack May | Actor | 1951 | 2 | |
| Minkow, Gene S. | Gene S. Minkow | Adaptation, Director | 1998 | 2 | |
| Maguire, Jim | Jim Maguire | Actor | 1960 | 2 | |
| Maneely, Robin | Robin Maneely | Actor, Dancer | 1960 | 2 | |
| McGarry, Jim | Jim McGarry | Actor | 1954 | 2 | |
| Modin, Ulrika | Ulrika Modin | Actor | 1953 | 2 | |
| Möller, Kai | Kai Möller | Actor | 1961 | 2 | |
| Murray, Keith | Keith Murray | Actor | 1963 | 2 | |
| Mason, David | David Mason | Actor | 1963 | 2 | |
| Mesikäpp, Laine | Laine Mesikäpp | Actor | 1962 | 2 | |
| Maccie, Liz | Liz Maccie | Actor | 1998 - 1999 | 2 | 1 |
| Münster, Klaus | Klaus Münster | Actor | 1962 - 1964 | 2 | |
| McGuinne, Brenda | Brenda McGuinne | Actor | 1962 | 2 | |
| Middleton, Anna | Anna Middleton | Actor | 1962 | 2 | |
| Muller, Endre | Endre Muller | Actor | 1962 | 2 | |
| Moss, Eugene | Eugene Moss | Actor | 1956 | 2 | |
| Munroe, Walter | Walter Munroe | Actor | 1956 | 2 | |
| McLean, Lorna | Lorna McLean | Actor, Choreographer | 1930 | 2 | |
| MacMillan, Ernest | Ernest MacMillan | Conductor, Musical Director | 1930 | 2 | |
| Mahaffy, Jr., Robert, E. | Robert E. Mahaffy, Jr. | Designer | 1931 - 1936 | 2 | |
| Munzer, Bettina | Bettina Munzer | Costume Designer, Designer | 2000 | 2 | |
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