| Sitte, Elga | Elga Sitte | Actor | 1973 | 1 | |
| Sitova, Tatjana | Tatjana Sitova | Actor | 1998 | 1 | |
| Sitomer, David | David Sitomer | Actor | 1967 | 1 | |
| Sitler, David | David Sitler | Actor | 2019 | 1 | |
| Sitko, Michal | Michal Sitko | Actor | 2011 | 1 | |
| Sitje, Haakon, | Haakon Sitje | Mask Maker | 2006 | 50 | |
| Sitek, Agnieszka | Agnieszka Sitek | Actor | 1999 | 1 | |
| Sitaridou, Anna | Anna Sitaridou | Actor | 1985 | 1 | |
| Sitaras, Stephan | Stephan Sitaras | Actor | 2017 | 1 | |
| Sîtar, Jelena, | Jelena Sîtar | Dramaturg | 2011 | 8 | |
| Sisterson, Dorothy | Dorothy Sisterson | Actor | 1960 | 1 | |
| Sissons, Neil | Neil Sissons | Director, Lighting Designer, Translator | 1993 - 1999 | 122 | |
| Sissons, Narelle | Narelle Sissons | Designer | 2003 - 2011 | 34 | |
| Sisson, Jessica | Jessica Sisson | Actor | 2008 | 1 | |
| Sissener, Einar | Einar Sissener | Actor | 1950 - 1965 | 33 | |
| Sisk, Paula | Paula Sisk | Actor | 2018 | 1 | |
| Sisk, Eren | Eren Sisk | Actor | 2018 | 1 | |
| Sirten, Josh | Josh Sirten | Actor | 2004 | 1 | |
| Sirp, Lauri | Lauri Sirp | Conductor | 2006 | 1 | |
| Sirp, Eva | Eva Sirp | Actor | 2003 | 1 | |
| Sirová, Eliška | Eliška Sirová | Actor | 1986 | 1 | |
| Sirotina, A. | A. Sirotina | Actor | 2001 | 1 | |
| Siromahov, Rossen | Rossen Siromahov | Actor | 1991 | 1 | |
| Siró, Anna | Anna Siró | Actor | 1925 | 1 | |
| Sirma, Vasiliki | Vasiliki Sirma | Costume Designer | 2010 - 2011 | 2 | |
| Sirlin , Eli | Eli Sirlin | Lighting Designer | 2007 | 1 | |
| Sirkó, László | László Sirkó | Actor | 1996 | 3 | |
| Sirkiä, Hannu | Hannu Sirkiä | Lighting Designer | 1981 | 1 | |
| Siritinovici, Emil | Emil Siritinovici | Actor | 1967 | 1 | |
| Siripan, Somsak | Somsak Siripan | Actor | 2005 | 5 | |
| Sireyzol, Christine | Christine Sireyzol | Actor | 1995 | 1 | |
| Sireuil, Sireuil | Sireuil Sireuil | Director, Lighting Designer | 2002 - 2003 | 10 | |
| Sireteanu, Ruxandra | Ruxandra Sireteanu | Actor | 1984 - 2013 | 2 | |
| Sireteanu, Nicolae | Nicolae Sireteanu | Actor | 1934 - 1935 | 1 | |
| Sireteanu, Andrei | Andrei Sireteanu | Director | 1979 | 1 | |
| Sirera, Rodolf | Rodolf Sirera | Translator | 1981 - 2006 | 35 | |
| Sirén, Pehr-Olof | Pehr-Olof Sirén | Actor | 1962 | 1 | |
| Sirén, Mitja | Mitja Sirén | Actor | 2001 | 7 | |
| Siren, Markku | Markku Siren | Costume Designer, Designer | 1979 - 2006 | 4 | |
| Sirekova, Sonja | Sonja Sirekova | Actor | 1936 | 1 | |
| Sire, Nicolas | Nicolas Sire | Designer | 1991 | 1 | |
| Sire, Agustin | Agustin Sire | Actor, Director, Translator | 1956 | 3 | |
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Contributors
