| Sipilä, Hilma | Hilma Sipilä (Hilma Sipilä) | Actor | 1922 | 1 | |
| Sipilä, Jari | Jari Sipilä | Lighting Designer | 2006 | 1 | |
| Sipos, András | András Sipos | Actor | 1989 | 1 | |
| Sipos, Gyôrgy | Gyôrgy Sipos | Actor | 2019 - 2020 | 2 | |
| Sipos, Sabine | Sabine Sipos (Sabine Sipos) | Actor | 1993 | 1 | |
| Siposné, - | - Siposné | Actor | 1879 | 1 | |
| Sippel, Peter | Peter Sippel | Lighting Designer | 2013 | 1 | |
| Sippo, Gints | Gints Sippo (Gints Sippo) | Designer | 2005 - 2008 | 5 | |
| Sira, Adrian | Adrian Sira (Adrian Sira) | Dancer | 2010 | 1 | |
| Siraste, Kirsti | Kirsti Siraste | Translator | 1980 | 1 | |
| Sîrbu, George | George Sîrbu | Actor | 1963 | 2 | |
| Sire, Agustin | Agustin Sire | Actor, Director, Translator | 1956 - 1962 | 3 | |
| Sire, Nicolas | Nicolas Sire | Designer | 1991 | 1 | |
| Sirekova, Sonja | Sonja Sirekova | Actor | 1936 | 1 | |
| Siren, Markku | Markku Siren (Markku Siren) | Costume Designer, Designer | 1979 - 2006 | 4 | |
| Sirén, Mitja | Mitja Sirén | Actor | 2001 | 7 | |
| Sirén, Pehr-Olof | Pehr-Olof Sirén | Actor | 1962 | 1 | |
| Sirera, Rodolf | Rodolf Sirera | Translator | 1981 - 2006 | 36 | |
| Sireteanu, Andrei | Andrei Sireteanu | Director | 1979 | 1 | |
| Sireteanu, Nicolae | Nicolae Sireteanu | Actor | 1934 | 1 | |
| Sireteanu, Ruxandra | Ruxandra Sireteanu | Actor | 1984 - 2013 | 2 | |
| Sirett, Karen | Karen Sirett | Actor | 1972 | 1 | |
| Sireuil, Sireuil | Sireuil Sireuil | Director, Lighting Designer | 2002 - 2004 | 10 | |
| Sireyzol, Christine | Christine Sireyzol | Actor | 1995 | 1 | |
| Sirge, Peeter | Peeter Sirge | Photographer | 1989 | 1 | |
| Siripan, Somsak | Somsak Siripan | Actor | 2005 | 5 | |
| Siritinovici, Emil | Emil Siritinovici | Actor | 1967 | 1 | |
| Sirkiä, Hannu | Hannu Sirkiä | Lighting Designer | 1981 | 1 | |
| Sirkó, László | László Sirkó | Actor | 1996 | 3 | |
| Sirlin, Eli | Eli Sirlin | Lighting Designer | 2007 | 1 | |
| Sirma, Vasiliki | Vasiliki Sirma (Vasiliki Sirma) | Costume Designer | 2010 - 2011 | 2 | |
| Siró, Anna | Anna Siró | Actor | 1925 | 1 | |
| Siromahov, Rossen | Rossen Siromahov | Actor | 1991 | 1 | |
| Sirotina, A. | A. Sirotina | Actor | 2001 | 1 | |
| Sirová, Eliška | Eliška Sirová | Actor | 1986 | 1 | |
| Sirp, Eva | Eva Sirp | Actor | 2003 | 1 | |
| Sirp, Lauri | Lauri Sirp | Conductor | 2006 | 1 | |
| Sirten, Josh | Josh Sirten (Josh Sirten) | Actor | 2004 | 1 | |
| Sirvent, Miguel | Miguel Sirvent | Actor | 1896 - 1917 | 2 | |
| Sisk, Eren | Eren Sisk | Actor | 2018 | 1 | |
| Sisk, Paula | Paula Sisk | Actor | 2018 | 1 | |
| Sissener, Einar | Einar Sissener | Actor | 1950 - 1965 | 33 | |
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