| Musser, Tharon | Tharon M. Musser | Lighting Designer | 1949 - 1965 | 4 | |
| Mussier, Jacques | Jacques Mussier | Actor | 1977 | 1 | |
| Mussina, Nadezhda | Nadezhda Mussina | Actor | 1956 | 1 | |
| Mußmacher, Renate | Renate Mußmacher | Mask Maker | 1986 | 1 | |
| Mustafa, Azat | Azat Mustafa | Assistant Director | 2024 | 1 | |
| Mustafa, Mariam | Mariam Mustafa | Actor | 2024 | 1 | |
| Mustafa, Mohamed | Mohamed Mustafa | Actor, Musician | 2006 | 10 | |
| Mustafa, Ranj | Ranj Mustafa | Director | 2019 | 1 | |
| Mustafa, Sami | Sami Mustafa (Сами Мустафа) | Actor | 2022 | 1 | |
| Mustafić, Dino | Dino Mustafić | Director | 2013 - 2015 | 3 | |
| Mustakallio, Minttu | Minttu Mustakallio | Actor | 2002 | 1 | 1 |
| Mustaps, Roberts | Roberts Mustaps | Actor | 1964 | 1 | |
| Mustaţă, Cătălina | Cătălina Mustaţă | Actor | 1994 | 1 | |
| Musto, Becky | Becky Musto | Actor | 2007 - 2008 | 32 | |
| Musto, Cleo Ramstad | Cleo Ramstad Musto | Dancer | 2010 | 1 | |
| Mustoff, Sonja | Sonja Mustoff | Actor | 1971 - 2013 | 10 | 1 |
| Musumeci, Joe | Joe Musumeci | Actor | 1982 | 1 | |
| Musumeci, Joseph, B. | Joseph B. Musumeci | Designer | 1995 | 1 | |
| Musy, Gianni | Gianni Musy | Actor | 1984 | 1 | |
| Muszkowski, (?) | (?) Muszkowski | Actor | 1913 | 1 | |
| Muszte, Anna | Anna Muszte | Actor | 1971 - 1975 | 2 | |
| Muszyński, Antoni | Antoni Muszyński | Designer | 1955 | 1 | |
| Muszyński, Bolesław | Bolesław Muszyński | Actor | 1912 | 1 | |
| Muszynski, Dominique | Dominique Muszynski | Costume Designer, Designer | 2014 | 2 | |
| Muszynski, Gerd | Gerd Muszynski | Dramaturg | 2004 | 1 | 1 |
| Muszyński, Wilhelm | Wilhelm Muszyński | Actor | 1894 | 1 | |
| Mutale, Mazimba | Mazimba Mutale | Actor | 2010 | 1 | 1 |
| Mutalipassi, Loredana | Loredana Mutalipassi | Lighting Designer, Sound Designer | 2006 | 2 | |
| Mutambwa, Bernard | Bernard Mutambwa | Choreographer | 2010 | 1 | |
| Muth, Benjamin | Benjamin Muth | Actor | 2017 | 1 | |
| Muth, Greg | Greg Muth | Actor | 2006 | 1 | |
| Muth, Mr. | Mr. Muth | Actor | 1902 | 1 | |
| Muth, Russell | Russell Muth | Actor | 1990 | 1 | |
| Müthel, Lola | Lola Müthel | Actor | 1938 - 1956 | 2 | |
| Müthel, Lothar | Lothar Müthel | Actor, Director | 1923 - 1956 | 10 | |
| Müther, Adelheid | Adelheid Müther | Director | 1990 - 2003 | 42 | |
| Muthmann, Volker | Volker Muthmann | Actor | 2017 | 1 | |
| Muthusamy, Yugins | Yugins Muthusamy | Producer | 2018 | 1 | |
| Mutić, Mare | Mare Mutić | | | | 4 |
| Mutino, Peter | Peter Mutino | Actor | 2008 | 1 | |
| Mutiševa, Lora | Lora Mutiševa (Лора Мутишева) | Actor | 2022 | 1 | |
| Mutisheva, Lora | Lora Mutisheva (Лора Мутишева) | Actor | 2023 | 1 | |
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