| 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 | |
| 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 | |
| Mufti, Uns | Uns Mufti | Composer | 2006 - 2012 | 4 | |
| Mues, Wanja | Wanja Mues | Actor | 2016 | 1 | |
| Muensterman, Valerie | Valerie Muensterman | Actor | 2016 | 1 | |
| Mueller, Will | Will Mueller | Actor | 2020 | 1 | |
| Mueller, Tim | Tim Mueller | Designer | 1998 | 1 | |
| Mueller, Rick | Rick Mueller | Director | 1978 | 1 | |
| Mueller, Marvin | Marvin Mueller | Actor | 1943 | 1 | |
| Mueller, Johannes | Johannes Mueller | Sound Designer | 2006 | 3 | |
| Mueller, Caroline | Caroline Mueller | Choreographer | 2014 | 18 | |
| Mueller, Bine | Bine Mueller | Actor | 1983 | 2 | |
| Mueller-Stahl, Hagen | Hagen Mueller-Stahl | Adaptation, Director | 1972 - 1975 | 5 | |
| Muehlhan, Wilhelm | Wilhelm Muehlhan | Actor | 1917 | 1 | |
| Mudyiwenyama, O'Brien | O'Brien Mudyiwenyama | | | | |
| Mudrack, Henriette | Henriette Mudrack | Actor | 1998 | 1 | |
| Mudra, Christiane | Christiane Mudra | Actor | 2001 - 2017 | 30 | |
| Mudek, Valeri | Valeri Mudek | Actor | 2006 | 1 | |
| Muczyń, Agnieszka | Agnieszka Muczyń | Actor | 2007 | 4 | |
| Mucsi, Zoltán | Zoltán Mucsi | Actor | 1991 | 1 | |
| Muck, Jürgen | Jürgen Muck | Actor | 1964 | 1 | |
| Muck, Carl | Karl Muck | Conductor | 1905 | 1 | |
| Muck, Anna-Katharina | Anna-Katharina Muck | Actor | 1993 - 2004 | 3 | |
| Muchon, Hermínio | Hermínio Muchon | Actor | 1948 | 1 | |
| Muchnik, Jacobo | Jacobo Muchnik | Translator | 1961 | 1 | |
| Muchanoff, Emil | Emil Muchanoff | Actor | 1894 | 1 | |
| Muchametgaleeva, Luiza | Luiza Muchametgaleeva | Actor | 2003 - 2005 | 2 | |
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