| Muir, Alec | Alec Muir | Actor | 1933 - 1936 | 3 | |
| Muir, Adrian | Adrian Muir | Lighting Designer | 1996 | 1 | |
| Muinzer, Louis | Louis Muinzer | Director, Translator | 1983 - 1990 | 6 | 1 |
| Muhr, Michael | Michael Muhr | Adaptation, Translator | 1975 - 2009 | 7 | |
| Mühlsteiger, Alexander | Alexander Mühlsteiger | Composer | 1997 | 1 | |
| Mühlhoff, Werner | Werner Mühlhoff | Actor | 1999 | 1 | |
| Mühlhofer, Hans | Hans Mühlhofer | Actor | 1898 - 1926 | 8 | |
| Mühlhofer, Alfons | Alfons Mühlhofer | Actor | 1937 | 1 | |
| Mühlhan, Margarethe | Margarethe Mühlhan | Actor | 1946 - 1954 | 2 | |
| Mühlhan, I. | I. Mühlhan | Actor | 1910 | 1 | |
| Mühlhafen, Mr. | Mr. Mühlhafen | | | | |
| Mühler, Peter | Peter Mühler | Designer | 1958 - 1962 | 2 | |
| Mühlen, Elisabeth | Elisabeth Mühlen | Actor | 1949 | 2 | |
| Mühleisen, Thomas | Thomas Mühleisen | Actor | 2004 | 1 | |
| Mühleisen, Günter | Günter Mühleisen | Actor | 2005 | 1 | |
| Mühle, Stefanie | Stefanie Mühle | Actor | 2003 - 2005 | 2 | |
| Mühle, Örjan | Örjan Mühle | Mask Maker | 1991 - 1993 | 5 | |
| Mühle, Gusti | Gusti Mühle | Actor | 1908 | 1 | |
| Mühlberg, Herbert | Herbert Mühlberg | Actor | 1905 - 1906 | 3 | |
| Mühlbauer, Daniela | Daniela Mühlbauer | Choreographer | 2013 | 1 | |
| Mühlbach, Frk. | Frk. Mühlbach | Actor | 1898 | 1 | |
| Mühlbach, Elisabeth | Elisabeth Mühlbach | Actor | 1940 | 1 | |
| Mühe, Ulrich | Ulrich Mühe | Actor | 1979 - 2006 | 5 | 1 |
| Muhamad, Shafiq | Shafiq Muhamad | Actor | 2013 - 2014 | 3 | |
| Muhamad, Sara | Sara Muhamad | Designer | 1997 | 1 | |
| Muha, Zora | Zora Muha | Actor | 1913 | 1 | |
| Mugweni, Tapiwa | Tapiwa Mugweni | Actor | 2016 | 1 | |
| Mugur, Vlad | Vlad Mugur | Director | 1964 - 1965 | 2 | |
| Mugur, Val | Val Mugur | Director | 1944 | 1 | |
| Mugur, Dimitrie | Dimitrie Mugur | Actor | 1934 - 1943 | 2 | |
| Mugulia, Crystal Bleu | Crystal Bleu Mugulia | Actor | 1999 | 1 | |
| Mugnaini, Giovanni | Giovanni Mugnaini | Actor | 2015 | 1 | |
| Mugnaini, A. | A. Mugnaini | Actor | 1892 - 1894 | 8 | |
| Múgica, Angelita Consuelo | Angelita Consuelo Múgica | Costume Designer | 1954 - 1956 | 2 | |
| Muggli, Natalina | Natalina Muggli | Actor | 2016 | 3 | |
| Muggerud, Håkon | Håkon Muggerud | Actor | 2010 | 1 | |
| Muggelberg, Walter | Walter Muggelberg | Actor | 1954 | 1 | |
| Mügge, Vera | Vera Mügge | Costume Designer | 1965 | 1 | |
| Mugford, Willow | Willow Mugford | Actor | 2024 | 1 | |
| Mugabe, Tarangarirwa | Tarangarirwa Mugabe | Actor | 2025 | 1 | |
| Mufti, Uns | Uns Mufti | Composer | 2006 - 2012 | 4 | |
| Mufson, Michael | Michael Mufson | Director | 2024 | 1 | |
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