| Mervild, Kaj | Kaj Mervild | Director | 1928 | 1 | |
| Mogensen, Laura | Laura Mogensen | Actor | 1912 - 1928 | 3 | |
| Marinaro, Martin | Martin Marinaro | Actor | 1974 | 1 | |
| Maddison, John | John Maddison | Actor | 1974 | 1 | |
| Murphy, J.J. | J. J. Murphy | Actor | 1975 | 1 | |
| Medbøe, Katja | Katja Medbøe | Actor | 1975 - 1980 | 6 | |
| Minkov, Minko | Minko Minkov | Actor | 1977 | 1 | |
| Marshall, T. H. | T. H. Marshall | Director | 1928 | 1 | |
| Moss, Doreen | Doreen Moss | Actor | 1928 | 1 | |
| Moore, Meriel | Meriel Moore | Actor | 1928 - 1948 | 4 | |
| Marsh, Ric | Ric Marsh | Actor, Designer | 1973 | 2 | |
| Martin, W.T. | W. T. Martin | Actor | 1973 | 1 | |
| McLain, John | John McLain | Lighting Designer | 1973 | 1 | |
| Mauthe, Karl-Heinz | Karl-Heinz Mauthe | Actor | 1972 - 1973 | 2 | |
| Mikkelsen, Magnar | Magnar Mikkelsen | Adaptation | 1975 - 1976 | 9 | |
| Maurer, Beatrice | Beatrice Maurer | Actor | 1973 | 1 | |
| Manikowsky, Georg von | Georg von Manikowsky | Actor | 1973 | 1 | |
| Marvin, Mary | Mary Marvin | Actor | 1928 | 1 | |
| Millard, Lionel | Lionel Millard | Actor | 1928 | 1 | |
| Milson, Kendrew | Kendrew Milson | Actor | 1928 | 1 | |
| Makay, Margit | Margit Makay | Actor | 1928 | 1 | |
| Morgan, Primrose | Primrose Morgan | Actor | 1928 | 3 | |
| Müller, J. | J. Müller | Actor | 1928 | 1 | |
| McHugh, Florence | Florence McHugh | Actor | 1928 | 1 | |
| Myklebust, Grethe | Grethe Myklebust | Actor | 1978 | 2 | |
| Monico, David | David Monico | Actor | 1979 | 1 | |
| Madland, Anne, Karin | Anne Karin Madland | Actor | 1978 | 3 | |
| Mortensen, Aud | Aud Mortensen | Mask Maker | 1978 | 3 | |
| Matthiae, Fritz | Fritz Matthiae | Actor | 1973 - 2000 | 5 | |
| Moll, Willy | Willy Moll | Actor | 1973 | 1 | |
| Møystad, Ole | Ole Møystad | Actor | 1978 | 8 | |
| Mattishent, Gisela | Gisela Mattishent | Actor | 1970 - 1982 | 3 | |
| Moridis, Theodoros | Theodoros Moridis | Actor | 1939 - 1994 | 37 | |
| Moulios, Giorgos | Giorgos Moulios | Director | 1977 | 1 | |
| Michaelsen, Ingebjørg Tale | Ingebjørg Tale Michaelsen | Actor | 1978 | 1 | |
| Michaelsen, Hilda, Johanne | Hilda Johanne Michaelsen | Actor | 1978 | 1 | |
| Michaelsen, Maria, Louise | Maria Louise Michaelsen | Actor | 1978 | 1 | |
| Michaelsen, Ingrid Elise | Ingrid Elise Michaelsen | Director | 1978 | 1 | |
| Maraden, Marti | Marti Maraden | Actor, Director | 1973 - 2001 | 3 | |
| Molander, Olof | Olof Molander | Adaptation, Director, Translator | 1921 - 1979 | 5 | |
| Malmsjö, Jan | Jan Malmsjö | Actor | 1972 - 2006 | 12 | |
| Moberg, Sofia | Sofia Moberg | Actor | 2006 | 2 | |
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