| Maluschinsky, Moritz | Moritz Maluschinsky | Actor | 1908 | 1 | |
| Màlvica, Anna | Anna Màlvica | Actor | 1969 | 2 | |
| Malý, L. | L. Malý | Actor | 1972 - 1994 | 6 | |
| Malý, Stanislav | Stanislav Malý | Actor | 1999 | 1 | |
| Malých, Mrs. | Mrs. Malých | Actor | 1904 | 1 | |
| Malzacher, Dieter | Dieter Malzacher | Actor, Adaptation | 1993 | 2 | 1 |
| Malzacher, Gunther | Gunther Malzacher | Actor | 1962 - 1988 | 5 | |
| Małecka-Tepicht, Natalia | Natalia Małecka-Tepicht | Actor | 2017 | 1 | |
| Małecki, Stanisław | Stanisław Małecki | Actor | 1908 | 1 | |
| Małkowski, - | - Małkowski | Actor | 1899 | 1 | |
| Małynicz, Zofia | Zofia Małynicz | Actor | 1958 | 1 | |
| Mamak, Victor | Victor Mamak | Actor | 1960 | 1 | |
| Mamareli, Marialena | Marialena Mamareli | Translator | 2012 | 1 | |
| Mamaux-Partridge, Connor | Connor Mamaux-Partridge | Actor | 2022 | 1 | |
| Mamelok, Emil | Emil Mamelok | Actor, Director | 1909 - 1945 | 17 | |
| Mamias, Evangelos | Evangelos Mamias | Actor | 1935 | 1 | |
| Mamier, Natascha | Natascha Mamier | Actor | 2016 | 1 | |
| Mamlin, Timofey | Timofey Mamlin (Тимофеы Мамлин) | Actor | 2014 | 1 | |
| Mammadov, Sabuhi | Sabuhi Mammadov | Sound Designer | 2006 | 1 | |
| Mammadov, Seyidshah | Seyidshah Mammadov | Actor | 2006 | 1 | |
| Mammadova, Ganira | Ganira Mammadova | Actor | 2004 | 1 | |
| Mamo, Adrian | Adrian Mamo | Designer | 2003 | 1 | |
| Mamonov, N. | N. Mamonov | Designer | 1948 | 1 | |
| Mamonova, Anastasia | Anastasia Mamonova | Translator | 2006 | 1 | |
| Mamont, Zbigniew | Zbigniew Mamont | Actor | 1975 | 1 | |
| Mamun Reza, Syed | Syed Mamun Reza | Actor | 2006 | 2 | |
| Mamuti, Altrim | Altrim Mamuti (Алтрим Мамути) | Actor | 2022 | 1 | |
| Managuerra, Mercè | Mercè Managuerra | Actor | 1997 | 1 | |
| Manari, Valeria | Valeria Manari | Costume Designer, Designer | 2002 - 2003 | 6 | |
| Manasi, Tonia | Tonia Manasi | Actor | 2006 | 1 | |
| Manasiev, Plamen | Plamen Manasiev (Пламен Манасиев) | Actor | 2001 - 2023 | 3 | |
| Mancaniello, Giuseppe | Giuseppe Mancaniello | Lighting Designer, Sound Designer | 2013 | 2 | |
| Mancarella, Philip | Philip Mancarella | Musician | 2022 | 1 | |
| Mancebo, Nelson | Nelson Mancebo | Costume Designer, Designer | 1976 - 2001 | 6 | |
| Mancewicz, Włodzimierz | Włodzimierz Mancewicz | Actor | 1960 | 1 | |
| Manchen, Klaus | Klaus Manchen | Actor | 1993 - 1996 | 2 | 1 |
| Manchester, Alaina | Alaina Manchester | Director | 2017 | 1 | |
| Mancianti, Andrea | Andrea Mancianti | Adaptation, Composer, Musician | 2010 | 3 | |
| Mancinelli-Cahill, Maggie | Maggie Mancinelli-Cahill | Director | 2000 | 1 | |
| Mancinelli, Pietro | Pietro Mancinelli | Sound Designer | 1975 | 1 | |
| Mancini, Chiara | Chiara Mancini | Actor | 2013 | 1 | |
| Mancini, Rae | Rae Mancini | Actor | 2004 | 1 | |
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