| Southern, Alex | Alex Southern | Actor | 2002 | 1 | |
| Southern, Andrew | Andrew Southern | Actor | 2012 | 1 | |
| Southern, Daniel | Daniel Southern | Actor | 1984 | 1 | |
| Southern, Richard | Richard Southern | Actor, Designer | 1927 - 1930 | 2 | |
| Southern, William | William Southern | Lighting Designer | 1943 - 1944 | 3 | |
| Southey, Jessica | Jessica Southey | Actor | 2017 | 1 | |
| Southey, Paul | Paul Southey | Actor | 2018 | 1 | |
| Southgate, Alan | Alan Southgate | Actor | 2005 | 1 | 1 |
| Southgate, Jason | Jason Southgate | Designer | 2008 - 2009 | 3 | |
| Southgate, Julian | Julian Southgate | Set Designer | 2024 | 1 | |
| Southwell, Peabody | Peabody Southwell | Actor | 2013 | 1 | |
| Southwood, Brian | Brian Southwood | Actor | 1988 | 2 | |
| Southwood, Ciara | Ciara Southwood | Actor | 2025 | 1 | |
| Souvan, Ms | Ms Souvan | Actor | 1897 - 1911 | 4 | |
| Souza, Gabriele | Gabriele Souza | Lighting Designer | 2025 | 1 | |
| Souza, Dhiovana | Dhiovana Souza | Lighting Designer | 2024 | 1 | |
| Souza, Dorothy | Dorothy Souza | Actor | 2013 | 1 | |
| Souza, Matheus | Matheus Souza | Composer | 2010 | 1 | |
| Sova, Milan | Milan Sova | Actor | 1984 | 5 | |
| Sovák, Jiří | Jiří Sovák | Actor | 1960 - 1966 | 2 | |
| Sovde, Gladys | Gladys Sovde | Actor | 1927 | 1 | |
| Sövényházi, Márta | Márta Sövényházi | Actor | 1930 | 1 | |
| Sovronsky, Alexander | Alexander Sovronsky | Actor, Musician | 2009 - 2025 | 4 | |
| Sovwanski, Diane | Diane Sovwanski | Actor | 1983 | 1 | |
| Sowade, Eduard | Eduard Sowade | Actor | 1898 | 1 | |
| Sowinetz, Kurt | Kurt Sowinetz | Actor | 1962 - 1990 | 4 | |
| Sowińska, Regina | Regina Sowińska | Actor | 1912 | 1 | |
| Sowka, Nick | Nick Sowka | Actor | 1949 | 1 | |
| Sowle, John | John Sowle | Actor | 1964 | 1 | |
| Soydan, Özlem | Özlem Soydan | Actor | 1997 | 4 | |
| Soyer, Éric | Éric Soyer | Lighting Designer | 2008 - 2009 | 16 | |
| Soyer, Victoria | Victoria Soyer | Actor | 2009 | 3 | 1 |
| Soyuz, Ortos | Ortos Soyuz | Actor | 2024 | 2 | |
| Soza, Jessica | Jessica Soza | Director | 2019 | 1 | |
| Sözeri, Aykut | Aykut Sözeri (Aykut Sozeri) | Actor | 1981 | 1 | |
| Sozzi, Massimiliano | Massimiliano Sozzi | Actor | 2005 - 2006 | 19 | |
| Søbakken, Alexander Henie | Alexander Henie Søbakken | Actor | 2013 | 1 | |
| Søberg, Kirsten | Kirsten Søberg | Actor | 1957 | 1 | |
| Søberg, Synnøve | Synnøve Søberg | Actor | 2008 | 1 | |
| Søby, Erik | Erik Søby | Actor | 1990 | 1 | |
| Sødal, Nils Harald | Nils Harald Sødal | Actor | 1997 - 2014 | 3 | 1 |
| Sødal, Terje | Terje Sødal | Actor | 2003 - 2004 | 12 | |
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