| Manzano, Virginia | Virginia Manzano | Actor | 1981 | 1 | |
| Manzon, Carla | Carla Manzon | Actor | 1988 | 2 | |
| Manzoni, Laurent | Laurent Manzoni | Actor | 2004 - 2005 | 72 | |
| Maoysz, Mieczysoaw | Mieczysoaw Maoysz | Director | 1970 | 1 | |
| Mapare, Sanjay | Sanjay Mapare | Actor | 2006 | 3 | |
| Mapelli, Claudio | Claudio Mapelli | Sound Designer | 1989 | 2 | |
| Maples, Carol J. | Carol J. Maples | Director | 2006 | 1 | |
| Már Pétursson, Sigfús | Sigfús Már Pétursson | | | | 6 |
| Mara (Rozan), Agni, | Agni Mara (Rozan) | Actor | 1911 - 1918 | 11 | |
| Marable Jr., Eric, E. | Eric E. Marable Jr. | Actor | 2010 | 1 | |
| Maraddi, G., | G. Maraddi | Actor | 1924 | 1 | |
| Maraden, Frank | Frank Maraden | Actor | 1981 | 1 | |
| Maraden, Marti | Marti Maraden | Actor, Director | 1973 - 2001 | 3 | |
| Maradudin, Peter | Peter Maradudin | Lighting Designer | 1993 | 2 | |
| Maragkou, Katerina | Katerina Maragkou | Actor | 1990 - 2008 | 3 | |
| Maraire, - | - Maraire | Composer | 2002 | 1 | |
| Marais, Rolanda | Rolanda Marais | Actor | 2006 | 2 | 6 |
| Maramenos, Giorgos | Giorgos Maramenos | Actor | 1965 - 1979 | 2 | |
| Marand, Nader, Borhani | Nader Borhani Marand | Adaptation, Director, Dramaturg | 2008 - 2009 | 6 | |
| Maranhão, José, Armando | José Armando Maranhão | Director | 1949 | 1 | |
| Marano, Ezio | Ezio Marano | Actor | 1972 | 1 | |
| Maranto, Mark, Christopher | Mark Christopher Maranto | Actor | 1980 | 1 | |
| Marantz, Andrea | Andrea Marantz | Actor | 2019 | 1 | |
| Maranzana, Mario, | Mario Maranzana | Actor, Director | 1974 - 1998 | 8 | |
| Mărăscu, Tudor | Tudor Mărăscu | Director | 1988 | 1 | |
| Marathias, Christos | Christos Marathias | Actor | 2012 | 1 | |
| Maratrat, Alain | Alain Maratrat | Adaptation, Director | 2004 | 4 | |
| Maratrat, Léo | Léo Maratrat | Actor | 2004 | 2 | |
| Maratrat, Natacha | Natacha Maratrat | Actor | 1999 - 2000 | 5 | |
| Maraval, -, | - Maraval | Actor | 1921 - 1926 | 3 | |
| Marazaitė, Rasa | Rasa Marazaitė | Actor | 2006 - 2007 | 2 | |
| Marazek, Otto | Otto Marazek | Actor | 1962 | 2 | |
| Marba, Jenny, | Jenny Marba | Actor | 1895 - 1919 | 7 | |
| Marbach, Camilla, | Camilla Marbach | Actor | 1895 | 1 | |
| Marbaux, Jacqueline | Jacqueline Marbaux | Actor | 1943 | 1 | |
| Marber, Patrick | Patrick Marber | Adaptation, Translator | 2016 - 2018 | 2 | |
| Marber, Patrick | Patrick Marber | Adaptation | 2019 | 1 | |
| Marberg, Lili, | Lili Marberg | Actor | 1902 - 1918 | 2 | |
| Marbo, Martha | Martha Marbo | Actor | 1967 | 1 | |
| Marc, Alfred, | Alfred Marc | Actor | 1927 | 1 | |
| Marcadé, Caroline | Caroline Marcadé | Choreographer | 2003 - 2004 | 5 | |
| Marçal, Terezinha | Terezinha Marçal | Actor | 1982 | 4 | |
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