| Silva, Aníbal | Aníbal Silva | Producer | 1976 | 1 | |
| Silva e Sousa, Ana | Ana Silva e Sousa | Costume Designer, Designer | 1992 | 2 | |
| Silva Costa, Vítor | Vítor Silva Costa | Actor | 2019 - 2020 | 3 | |
| Siltola, Erkki | Erkki Siltola | Actor | 1972 - 1975 | 2 | |
| Silten, Paula | Paula Silten | Actor | 1903 - 1916 | 3 | |
| Siltala, Tiina | Tiina Siltala | Costume Designer | 2009 | 1 | |
| Silset, Mikkel, Bratt | Mikkel Bratt Silset | Actor | 2018 | 1 | |
| Silset, Gjermund | Gjermund Silset | Musician | 2017 - 2018 | 2 | |
| Sills, Milton | Milton Sills | Actor | 1907 | 2 | |
| Sills, Andre | Andre Sills | Actor | 2004 | 4 | |
| Silló, István | István Silló | Conductor | 2012 | 1 | |
| Sillitoe, Nicholas | Nicholas Sillitoe | Composer | 2004 | 1 | |
| Silliman, Maureen | Maureen Silliman | Actor | 1996 - 2011 | 2 | |
| Silli, Amalie Eide | Amalie Eide Silli | Actor | 2012 - 2013 | 4 | |
| Sillett, Alice | Alice Sillett | Director | 2018 | 20 | |
| Siller, Annemarie | Annemarie Siller | Costume Designer | 1987 | 1 | |
| Silla, Fred | Fred Silla | Actor | 1981 | 1 | |
| Silkowska, Ewelina | Ewelina Silkowska | Actor | 2018 | 1 | |
| Silkeberg, Tom | Tom Silkeberg | Dramaturg, Translator | 2017 | 2 | |
| Silkeberg, Annika | Annika Silkeberg | Director, Dramaturg, Playwright | 2021 - 2022 | 4 | |
| Silk, Anthony | Anthony Silk | Actor | 2017 | 1 | |
| Siljo, J. | J. Siljo | Translator | 1928 | 1 | |
| Siljanova, Petja | Petja Siljanova | Actor | 1981 | 1 | |
| Siljanoska, Teodora | Teodora Siljanoska (Теодора Силјаноска) | Director, Dramaturg | 2022 | 2 | |
| Siljander, Maija | Maija Siljander | Actor | 2008 | 1 | |
| Siljander, Ferdinand | Ferdinand Siljander | Actor | 1885 - 1890 | 7 | |
| Silins, Aivars | Aivars Silins | Actor | 1975 | 1 | |
| Siliņa, Inga | Inga Siliņa | Actor | 2010 | 1 | 2 |
| Silfverskiöld, Nicolas | Nicolas Silfverskiöld | Actor | 2007 | 1 | |
| Silfverhjelm, Lillemor | Lillemor Silfverhjelm | Actor | 2003 | 1 | |
| Silfverblad, Sigrid | Sigrid Silfverblad | Actor | 1887 | 1 | |
| Silfverberg, Nina | Nina Silfverberg | Costume Designer, Designer | 2014 | 2 | |
| Silenieks, Visvaldis | Visvaldis Silenieks | Actor | 1928 - 1935 | 2 | |
| Silén, Sami | Sami Silén | Sound Designer | 2013 | 1 | |
| Sileanu, Ştefan | Ştefan Sileanu | Actor | 1973 | 1 | |
| Silberstein, Robert E. | Robert E. Silberstein | Actor | 1966 | 1 | |
| Silberstein, Frank | Frank Silberstein | Designer | 1984 | 1 | |
| Silberspitz, Cecília | Cecília Silberspitz | Actor | 1966 | 1 | |
| Silbernagl, Roland | Roland Silbernagl | Actor | 2001 | 1 | |
| Silberman, Sarah | Sarah Silberman | Costume Designer | 2023 | 7 | |
| Silberg, Nicolas | Nicolas Silberg | Actor | 1993 | 1 | 1 |
| Silberbauer, Gerd | Gerd Silberbauer | Actor | 1984 | 2 | |
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