| Moog, Heinz, | Heinz Moog | Actor | 1947 – 1966 | 7 | |
| Miller, Betty | Betty Miller | Actor | 1947 – 1967 | 4 | |
| Mosbacher, Peter, | Peter Mosbacher | Actor | 1948 | 1 | |
| Merbek, Silvia, | Silvia Merbek | Actor | 1948 | 1 | |
| Merbek, Elisabeth, | Elisabeth Merbek | Actor | 1948 | 1 | |
| Myhrvold, Dagmar, | Dagmar Myhrvold | Actor | 1948 | 24 | |
| Mohn, Margaret | Margaret Mohn | Actor, Director | 1948 | 2 | |
| Mills, Jean | Jean Mills | Actor | 1948 | 1 | |
| Metaxa Enescu, Aglae | Aglae Metaxa Enescu | Actor | 1948 | 1 | |
| McNair, Emily | Emily McNair | Actor | 1948 | 2 | |
| Magalhães, Norma | Norma Magalhães | Actor | 1948 | 1 | |
| Murphy, Althea | Althea Murphy | Actor | 1948 | 1 | |
| Morris, Mary | Mary Morris | Actor | 1948 | 1 | |
| Mjølner, Alf | Alf Mjølner | Actor | 1948 | 7 | |
| Moran, Penny | Penny Moran | Actor | 1948 | 1 | |
| McDonald, Cathy | Cathy McDonald | Actor | 1948 | 1 | |
| Mills, Eric | Eric Mills | Director | 1948 | 1 | |
| Marshall, John | John Marshall | Actor | 1948 | 1 | |
| Miller, Pix | Pix Miller | Actor | 1948 | 1 | |
| McCarthy, James | James McCarthy | Actor | 1948 | 2 | |
| Marx, Maxine | Maxine Marx | Actor | 1948 | 1 | |
| Mathews, Gervaise | Gervaise Mathews | Actor | 1948 | 2 | |
| Milas, Dionysis | Dionysis Milas | Actor | 1948 | 1 | |
| Merry, Douglas | Douglas Merry | Actor | 1948 | 1 | |
| Muchon, Hermínio | Hermínio Muchon | Actor | 1948 | 1 | |
| Malleson, Miles | Miles Malleson | Actor | 1948 | 1 | |
| Marsh, Rupert | Rupert Marsh | Actor | 1948 | 1 | |
| Morrice, Marilyn | Marilyn Morrice | Actor | 1948 | 1 | |
| Mesarić, Kulman | Kulman Mesarić | Director, Translator | 1948 | 2 | |
| Mascarelli, Tana | Tana Mascarelli | Actor | 1948 | 1 | |
| Mamonov, N. | N. Mamonov | Designer | 1948 | 1 | |
| Mirzoeva, Ms. | Ms. Mirzoeva | Actor | 1948 | 1 | |
| Michajlov, A. | A. Michajlov | Director | 1948 | 1 | |
| Moore, William, A. | William A. Moore | Actor | 1948 – 1966 | 4 | |
| Manker, Gustav, | Gustav Manker | Designer, Director | 1948 – 1972 | 11 | |
| MacNaughtan, Alan | Alan MacNaughtan | Actor | 1948 – 1991 | 5 | |
| Messemer, Hans, | Hans Messemer | Actor | 1949 | 1 | |
| Mühlen, Elisabeth, | Elisabeth Mühlen | Actor | 1949 | 2 | |
| Maschmeier, Werner, | Werner Maschmeier | Actor | 1949 | 2 | |
| Maier, Anni, | Anni Maier | Actor | 1949 | 1 | |
| Maximowna, Ita, | Ita Maximowna | Costume Designer, Designer | 1949 | 10 | |
| Montelius, Olle | Olle Montelius | Costume Designer, Designer | 1949 | 5 | |
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