| Middleditch, Lucy | Lucy Middleditch | Actor | 2007 - 2008 | 32 | |
| Middleditch, Tom | Tom Middleditch | Actor | 2002 | 9 | |
| Middlemass, Frank | Frank Middlemass | Actor | 1977 | 1 | 1 |
| Middleton, Anna | Anna Middleton | Actor | 1962 | 2 | |
| Middleton, Cristopher | Cristopher Middleton | Actor | 1996 | 1 | |
| Middleton, Greg | Greg Middleton | Actor | 2007 | 1 | |
| Middleton, John | John Middleton | Actor | 2009 | 1 | |
| Middleton, Robert | Robert Middleton | Actor | 1951 | 1 | 1 |
| Middleton, Stephen | Stephen Middleton | Actor | 2002 - 2008 | 3 | |
| Midelfort, Emil | Emil Midelfort | Actor | 1913 | 1 | |
| Midgley, Patrick | Patrick Midgley | Actor | 2009 | 1 | |
| Midgley, Robin | Robin Midgley | Director | 1969 - 1980 | 2 | 1 |
| Midling, Julius | Julius Midling | Actor | 1864 - 1866 | 2 | |
| Midtstigen, Svein Olav | Svein Olav Midtstigen | Actor | 2006 | 1 | |
| Midttun, Sjur | Sjur Midttun | Actor | 2003 - 2004 | 2 | |
| Miebach, - | - Miebach | Actor | 1877 - 1880 | 3 | |
| Miedel, Klaus | Klaus Miedel | Actor | 1950 - 1955 | 2 | |
| Międzik, Tomasz | Tomasz Międzik | Actor | 1995 - 2009 | 3 | |
| Miehe-Renard, Louis | Louis Miehe-Renard | Actor | 1944 - 2003 | 4 | |
| Miehe-Renard, Petruska | Petruska Miehe-Renard | Costume Designer, Set Designer | 2024 - 2025 | 6 | |
| Miehe-Renard, Tine | Tine Miehe-Renard | Actor | 1990 | 1 | |
| Mielau, Doris | Doris Mielau | Actor | 1980 | 1 | |
| Mielche, Edouard | Edouard Mielche | Actor, Director | 1935 - 2003 | 12 | |
| Mielczarek, Grzegorz | Grzegorz Mielczarek | Actor | 2007 | 1 | |
| Mielczarek, Klemens | Klemens Mielczarek | Actor | 1979 | 1 | |
| Miele, Mike | Mike Miele | Actor | 2013 | 1 | |
| Mielewski, Andrzej | Andrzej Mielewski | Actor, Director | 1894 - 1914 | 17 | |
| Mielke, Zbigniew | Zbigniew Mielke | Actor | 1995 | 1 | |
| Mielnicki, Józef | Józef Mielnicki | Actor | 1902 - 1908 | 2 | |
| Mielnik, - | - Mielnik | Actor | 1891 | 1 | |
| Mielnikow, Maria | Maria Mielnikow | Actor | 1992 | 2 | |
| Mielziner, Jo | Jo Mielziner | Costume Designer, Designer | 1925 - 1932 | 5 | |
| Mier, Boudien | Boudien Mier | Actor | 1999 | 1 | |
| Mierau, Ulrike | Ulrike Mierau | Actor | 2006 | 1 | |
| Mierbeth, Gerry | Gerry Mierbeth | Choreographer, Director, Dramaturg | 1999 | 3 | |
| Mierczak, Malgorzata | Malgorzata Mierczak | Actor | 1992 | 1 | |
| Miereanu, Costin | Costin Miereanu | Composer | 1981 | 1 | |
| Mierendorff, Hans | Hans Mierendorff | Actor | 1911 - 1936 | 5 | |
| Mierendorff, Otto | Otto Mierendorff | Actor | 1911 | 1 | |
| Mierkalns, Fricis | Fricis Mierkalns | Translator | 1914 | 1 | |
| Mierkalns, J. | J. Mierkalns | Actor | 1916 | 1 | |
| Mierlauks, Aleksis | Aleksis Mierlauks | Actor, Director | 1905 - 1921 | 7 | |
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