| Mason, Bim | Bim Mason | Actor | 1972 | 1 | |
| Mason, Chad | Chad Mason | Actor, Musical Director | 2001 | 6 | |
| Mason, Dan, | Dan Mason | Actor | 1996 - 2013 | 3 | |
| Mason, David | David Mason | Actor | 1963 | 1 | |
| Mason, John, | John Mason | Actor | 1904 | 1 | |
| Mason, Karla | Karla Mason | Actor | 1996 | 1 | |
| Mason, Kathleen | Kathleen Mason | Actor | 1947 | 1 | |
| Mason, Margery | Margery Mason | Actor | 1973 | 1 | |
| Mason, Marsha | Marsha Mason | Actor | 1973 | 1 | |
| Mason, Marshall K. | Marshall K. Mason | Director | 2001 | 2 | |
| Mason, Marshall W. | Marshall W. Mason | Director, Lighting Designer | 1964 | 2 | |
| Mason, Patrick | Patrick Mason | Director | 1988 | 1 | |
| Mason, Paul | Paul Mason | Actor | 1986 | 1 | |
| Mason, Pauline | Pauline Mason | Actor | 1962 | 1 | |
| Mason, Richard | Richard Mason | Designer | 1964 | 1 | |
| Mason, Robin | Robin Mason | Musician | 2004 | 5 | |
| Mason, Roger | Roger Mason | Actor | 1976 | 1 | |
| Mason, Tony | Tony Mason | Lighting Designer | 2005 | 1 | |
| Mason, William C., | William C. Mason (William C. Mason) | Actor | 1906 - 1926 | 5 | |
| Mason. Tessa | Tessa Mason | Actor | 2016 | 1 | |
| Masreliez, Curt | Curt Masreliez | Actor | 1953 | 1 | |
| Massafra, Marco | Marco Massafra | Actor | 2010 | 1 | |
| Massalitinov, N., | Nikolaj O. Massalitinov (N. Massalitinov) | Actor, Director | 1900 - 1930 | 9 | |
| Massalitinova, Tanja | Tanja Massalitinova | Actor | 1980 | 1 | |
| Massányi, Viktor | Viktor Massányi | Actor | 2007 | 1 | |
| Massara, Monica | Monica Massara | Actor | 1995 | 1 | |
| Massara, Pino | Pino Massara | Composer | 1975 - 1976 | 3 | |
| Massareck, Franz, | Franz Massareck | Actor | 1933 | 1 | |
| Massari, Liliana | Liliana Massari | Actor | 1995 - 1996 | 12 | |
| Massaro, Joe | Joe Massaro | Actor | 1982 | 1 | |
| Massaro, Mitch | Mitch Massaro | Lighting Designer | 2004 | 1 | |
| Massen, Louis, | Louis Massen | Actor | 1904 | 1 | |
| Massenet, Jules, | Jules Massenet | Composer | 1900 | 4 | |
| Massera, Jarmila | Jarmila Massera | Designer | 1971 | 1 | |
| Masset, Valerie | Valerie Masset | Actor | 1966 | 1 | |
| Massey, Anna | Anna Massey | Actor | 1973 | 1 | |
| Massey, Daniel | Daniel Massey | Actor | 1977 | 1 | |
| Massey, Guy | Guy Massey | Actor | 2018 | 1 | |
| Massey, Hart, | Hart Massey | Actor | 2000 | 1 | |
| Massie, Paul | Paul Massie | Actor | 1978 | 1 | |
| Massie, Ryan | Ryan Massie | Actor | 2009 | 1 | |
| Massim, Nicolae | Nicolae Massim | Director | 1945 | 1 | |
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Contributors
