| Meiggs, Amanda | Amanda Meiggs | Actor | 1957 | 1 | |
| Markov, V. | V. Markov | Actor | 1957 | 1 | |
| Matveev, E. | E. Matveev | Actor | 1957 | 1 | |
| Mirsky, Mark | Mark Mirsky | Actor | 1957 | 1 | |
| Meriläinen, Usko | Usko Meriläinen | Composer | 1957 | 1 | |
| Musceleanu, George | George Musceleanu | Actor | 1957 | 1 | |
| More O'Ferrall, George | George More O'Ferrall | Director | 1957 | 1 | |
| Maxwell, Roberta | Roberta Maxwell | Actor | 1957 | 1 | |
| Morrish, Ann | Ann Morrish | Actor | 1957 | 1 | |
| Marks, Sherman | Sherman Marks | Director | 1957 | 1 | |
| Morton, Clive | Clive Morton | Actor | 1957 - 1958 | 2 | 1 |
| Murray, June | June Murray | Actor | 1957 - 1961 | 3 | |
| Moore, John | John Moore | Actor | 1957 - 1962 | 2 | 1 |
| Medo, Hans | Hans Medo | Actor | 1957 - 1963 | 2 | 1 |
| Meyer, Ernst | Ernst Meyer | Actor | 1957 - 1966 | 2 | 1 |
| Marmeliuc, Lia | Lia Marmeliuc | Translator | 1957 - 1967 | 2 | |
| Matache, Ica | Ica Matache | Actor | 1957 - 1975 | 2 | |
| Milčin, Ilija | Ilija Milčin | Director, Translator | 1957 - 1976 | 2 | |
| McCowan, George | George McCowan | Actor, Director | 1957 - 1978 | 2 | 1 |
| Mureşan, Lucia | Lucia Mureşan | Actor | 1957 - 1979 | 2 | |
| Millot, Charles | Charles Millot | Actor | 1957 - 1980 | 3 | |
| Møller, Paul | Paul Møller | Actor | 1957 - 1983 | 2 | |
| Müller, Erno | Erno Müller | Actor | 1957 - 1985 | 11 | 1 |
| Moritzen, Henning | Henning Moritzen | Actor | 1957 - 2000 | 5 | 1 |
| Melichar, Rudolf | Rudolf Melichar | Actor | 1957 - 2010 | 6 | |
| Moan, Henny | Henny Moan | Actor | 1957 - 2013 | 64 | 1 |
| Małynicz, Zofia | Zofia Małynicz | Actor | 1958 | 1 | |
| Merk, Romano | Romano Merk | Actor | 1958 | 1 | |
| Moitra, Arati | Arati Moitra | Actor | 1958 | 1 | |
| Matsuda, Takashi | Takashi Matsuda | Designer | 1958 | 1 | |
| Mihajlov, Mihail | Mihail Mihajlov | Actor | 1958 | 1 | |
| Márkus, Ferenc | Ferenc Márkus | Actor | 1958 | 1 | |
| Mardik, Ian | Ian Mardik | Actor | 1958 | 1 | |
| Miunes, Stephen | Stephen Miunes | Actor | 1958 | 1 | |
| Maffeo, Dominic | Dominic Maffeo | Actor | 1958 | 1 | |
| Manning, James | James Manning | Actor | 1958 | 1 | |
| Medioni, Marie-Jeanne | Marie-Jeanne Medioni | Actor | 1958 | 4 | |
| Marrero, Frank | Frank Marrero | Actor | 1958 | 1 | |
| Moss, David | David Moss | Actor | 1958 | 1 | |
| Martino, Fábia | Fábia Martino | Actor | 1958 | 1 | |
| McDonald, Hugh | Hugh McDonald | Actor | 1958 | 1 | 1 |
| McDonald, Peg | Peg McDonald | Actor | 1958 | 1 | 1 |
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