| Mačs, Emils | Emils Mačs | Actor | 1921 | 3 | |
| Marshall, Armina | Armina Marshall | Actor | 1923 - 1931 | 3 | |
| Maude, Joan | Joan Maude | Actor | 1925 - 1932 | 3 | |
| Menefee, Richard | Richard Menefee | Actor, Director | 1928 - 1929 | 3 | |
| McDermid, Finlay | Finlay McDermid | Actor | 1928 - 1929 | 3 | |
| Mathisen, Svanhild | Svanhild Mathisen | Actor | 1928 | 3 | |
| Mitschkowski, Artur | Artur Mitschkowski | Actor | 1909 - 1912 | 3 | |
| Mariouklas, Nikos | Nikos Mariouklas | Actor | 1972 - 1990 | 3 | |
| Mommsen, Karin | Karin Mommsen | Actor | 1970 - 1986 | 3 | |
| Marks, Hagen | Hagen Marks | Actor | 1983 - 2001 | 3 | |
| Marcell, Peter | Peter Marcell | Actor | 1964 - 1983 | 3 | |
| Munch-Møller, Asger | Asger Munch-Møller | Actor, Translator | 1983 - 1990 | 3 | 1 |
| Mejstrik, Kurt | Kurt Mejstrik | Actor | 1969 - 1975 | 3 | |
| Mitropoulou, Kaiti | Kaiti Mitropoulou | Actor | 1980 - 1992 | 3 | |
| Majoros, István | István Majoros | Choreographer | 1976 - 1991 | 3 | |
| Maragkou, Katerina | Katerina Maragkou | Actor | 1990 - 2008 | 3 | |
| Makri, Maria | Maria Makri | Actor | 2009 - 2010 | 3 | |
| Morvan, Tifenn | Tifenn Morvan | Costume Designer | 2010 - 2012 | 3 | |
| Malmberg, Benoît | Benoît Malmberg | Director, Producer | 2012 | 3 | |
| Mettin, Stephan | Stephan Mettin | Costume Designer, Director | 1992 - 2000 | 3 | 1 |
| Matschulat, Annelise | Annelise Matschulat | Actor | 1984 | 3 | |
| Mariani, Natalia | Natalia Mariani | Actor | 2013 | 3 | |
| Mitchell, Tim | Tim Mitchell | Lighting Designer | 2010 - 2013 | 3 | |
| Moriarty, Paul | Paul Moriarty | Actor | 1985 - 2008 | 3 | 1 |
| Matoušková, Zora | Zora Matoušková | Actor | 1985 | 3 | |
| Martišová, Žofia | Žofia Martišová | Actor | 1985 - 2008 | 3 | 1 |
| McCurdy, Tim | Tim McCurdy | Actor | 1984 | 3 | |
| Mattern, Silke | Silke Mattern | Actor | 1984 | 3 | |
| Miolin, Philip | Philip Miolin | Actor, Designer, Director | 2012 - 2013 | 3 | 1 |
| Mavidis, Spyros | Spyros Mavidis | Actor | 1990 - 1994 | 3 | |
| Manske, Uwe | Uwe Manske | Actor | 1991 | 3 | |
| Menino, Joseph | Joseph Menino | Actor | 1991 - 2018 | 3 | 1 |
| Manteuffel, Felix von | Felix von Manteuffel | Actor | 1990 - 2006 | 3 | |
| Mathews, Richard | Richard Mathews | Actor | 1991 | 3 | |
| McCallum, Sandy | Sandy McCallum | Actor | 1990 - 1999 | 3 | 1 |
| Morey, Jim | Jim Morey | Actor | 1990 | 3 | |
| McColeman, Kate | Kate McColeman | Actor | 1990 | 3 | |
| Mallet, Sam | Sam Mallet | Actor, Composer, Musician | 1990 | 3 | |
| Magyar, Fruzsina | Fruzsina Magyar | Dramaturg | 1991 - 2006 | 3 | |
| Moog, Willy | Willy Moog | Director | 1953 - 1960 | 3 | |
| Muldowney, Dominic | Dominic Muldowney | Composer | 1989 - 2016 | 3 | |
| Manz, Horst | Horst Manz | Actor | 1959 - 1991 | 3 | |
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