| Mergel, Heiner | Heiner Mergel | Actor | 1966 | 1 | |
| McGregor, Patricia | Patricia McGregor | Actor | 1966 | 1 | |
| Maldek, Karl | Karl Maldek | Actor | 1965 - 1966 | 2 | |
| Mendonça, J. Luiz | J. Luiz Mendonça | Actor | 1966 | 1 | |
| Morais, Irene | Irene Morais | Actor | 1966 | 1 | |
| Matioski, Gladyston, Roberto | Gladyston Roberto Matioski | Actor | 1966 | 1 | |
| Magno, Esmeralda | Esmeralda Magno | Actor | 1966 | 1 | |
| Menghini, Maria | Maria Menghini | Actor | 1966 | 1 | |
| Masset, Valerie | Valerie Masset | Actor | 1966 | 1 | |
| Majcenovic, Georg | Georg Majcenovic | Actor | 1966 | 1 | |
| Majewski, Hans-Martin | Hans-Martin Majewski | Composer | 1966 | 1 | |
| Maier, Gerd | Gerd Maier | Dancer | 1966 | 1 | |
| Matthes, Georg | Georg Matthes | Actor | 1966 | 1 | |
| Meinecke, Otto Hans | Otto Hans Meinecke | Actor | 1966 - 1989 | 4 | |
| Manhardt, Peter | Peter Manhardt | Costume Designer, Designer | 1966 | 2 | |
| Manning, Ferd | Ferd Manning | Lighting Designer | 1966 | 1 | |
| Martsch, Günter, Erich | Günter Erich Martsch | Actor | 1964 - 1966 | 2 | |
| Mazal, Mr. | Mr. Mazal | Actor | 1881 | 1 | |
| Musser, Tharon | Tharon M. Musser | Lighting Designer | 1949 - 1965 | 4 | |
| Mihula, Richard | Richard Mihula | Adaptation, Director | 1965 | 2 | |
| Miláčková, Eva | Eva Miláčková | Actor | 1965 | 1 | |
| Mayerová, Carmen | Carmen Mayerová | Actor | 1965 | 2 | |
| Maertens, Willy | Willy Maertens | Actor | 1965 | 1 | |
| Matson, Mary Lou | Mary Lou Matson | Costume Designer | 1965 | 1 | |
| Morton, Joseph | Joseph Morton | Designer | 1965 | 1 | |
| Medschinski, Ingeborg | Ingeborg Medschinski | Actor | 1965 | 1 | |
| Meyer, Siegfried | Siegfried Meyer | Actor | 1965 | 1 | |
| Meyers, Emerson | Emerson Meyers | Composer, Conductor | 1965 | 2 | |
| McGovern, Dennis | Dennis McGovern | Actor | 1965 | 3 | |
| Michaud, Emily | Emily Michaud | Actor | 1965 | 1 | |
| Murdock, Mike | Mike Murdock | Actor | 1965 | 2 | |
| Maramenos, Giorgos | Giorgos Maramenos | Actor | 1965 - 1979 | 2 | |
| Malik, Helmut | Helmut Malik | Actor | 1965 | 2 | |
| Müller, Klaus | Klaus Müller | Actor | 1965 | 2 | |
| Mitsakis, Vasilis | Vasilis Mitsakis | Actor | 1964 - 1965 | 2 | |
| Müller, Hans | Hans Müller | Actor | 1965 | 1 | |
| Martin-Kruckenberg, Rolf | Rolf Martin-Kruckenberg | Actor | 1965 | 1 | |
| Markoff, Wolf | Wolf Markoff | Actor | 1965 | 1 | |
| Morgan, Mario | Mario Morgan | Adaptation, Director | 1965 - 1980 | 3 | |
| Metten, Charles | Charles Metten | Director | 1965 | 1 | |
| Molnár, Levente | Levente Molnár | Actor | 2004 - 2008 | 6 | |
| Molnár, Tibor | Tibor Molnár | Actor | 2004 | 1 | |
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