| Sievers, Sigrid | Sigrid Sievers (Sigrid Sievers) | Actor | 1950 | 1 | |
| Sievert, Ludwig | Ludwig Sievert (Ludwig Sievert) | Designer | 1920 - 1937 | 2 | |
| Sievertsen, Will | Will Sievertsen | Actor | 2016 | 1 | |
| Siewers, Christine | Christine Siewers (Christine Siewers) | Actor | 1861 | 1 | 1 |
| Siewert, Caroline | Caroline Siewert | Actor | 2013 | 1 | |
| Siewert, John | John Siewert | Actor | 2012 | 1 | |
| Siewert, Vicki | Vicki Siewert | Costume Designer | 1964 | 1 | |
| Siewierska, - | - Siewierska (- Siewierska) | Actor | 1882 | 1 | |
| Sieyum, Mokenen | Mokenen Sieyum | Lighting Designer, Sound Designer | 2009 | 2 | |
| Siff, Maggie | Maggie Siff (Maggie Siff) | Actor | 2005 | 1 | |
| Siffer, Cyrille | Cyrille Siffer | Lighting Designer | 2000 | 1 | |
| Sigaux, Gilbert | Gilbert Sigaux | Adaptation, Translator | 1962 - 1995 | 13 | |
| Sigaux, Henri | Henri Sigaux | Translator | 2007 - 2009 | 10 | |
| Sigbjørnsen, Tor | Tor Sigbjørnsen (Tor Sigbjørnsen) | Actor | 1985 | 2 | |
| Sigg, Carola | Carola Sigg | Actor | 2009 | 1 | |
| Sigg, Maximilian | Maximilian Sigg | Actor | 1971 - 1973 | 2 | |
| Siggelkow, Bertha | Bertha Siggelkow (Bertha Siggelkow) | Actor | 1898 | 1 | |
| Sigl, - | - Sigl (- Sigl) | Actor | 1889 | 1 | |
| Sigl, Mr.. | Mr.. Sigl (Mr.. Sigl) | Actor | 1893 - 1900 | 2 | |
| Sigl, Peter | Peter Sigl (Peter Sigl) | Actor, Director | 1893 - 1902 | 3 | |
| Sigler, Amalie | Amalie Sigler (Amalie Sigler) | Actor | 1889 | 2 | |
| Sigley, Dan | Dan Sigley | Actor | 2005 | 1 | |
| Sigley, Glenys | Glenys Sigley | Actor | 1989 | 1 | |
| Sigmond, Rita | Rita Sigmond | Actor | 2017 - 2019 | 9 | |
| Sigmund, Franjo | Franjo Sigmund | Mask Maker | 1952 | 1 | |
| Sigmund, Su | Su Sigmund | Costume Designer | 2006 - 2007 | 3 | |
| Signoret, - | - Signoret (- Signoret) | Actor | 1903 - 1908 | 3 | |
| Sigrist, Andreas | Andreas Sigrist (Andreas Sigrist) | Actor | 2006 - 2011 | 4 | |
| Sigrist, Ernst C. | Ernst C. Sigrist | Actor | 1995 | 1 | |
| Sigrist, Gundula | Gundula Sigrist | Costume Designer | 1973 | 1 | |
| Sigstad, Mari Vassdokken | Mari Vassdokken Sigstad (Mari Vassdokken Sigstad) | Actor | 2005 - 2007 | 6 | |
| Sigurbjörnsson, Jón | Jón Sigurbjörnsson | Actor | 1962 - 1976 | 3 | |
| Sigurbjörnssyni, Lárusi | Lárusi Sigurbjörnssyni (Lárusi Sigurbjörnssyni) | Translator | 1952 | 1 | |
| Sigurdardottir, Arna Rut | Arna Rut Sigurdardottir | Dancer | 2017 | 1 | |
| Sigurdson, Dag | Dag Sigurdson (Dag Sigurdson) | Lighting Designer | 1996 | 1 | |
| Sigurdson, Kåre | Kåre Sigurdson | Actor | 1984 | 2 | |
| Sigurdsson, Thórhallur | Thórhallur Sigurdsson (Thórhallur Sigurdsson) | Director | 1999 | 5 | |
| Sigurðardóttir, Margrét | Margrét Sigurðardóttir (Margrét Sigurðardóttir) | Costume Designer | 1998 | 1 | |
| Sigurðarson, Jóhann | Jóhann Sigurðarson | Actor | 1991 | 2 | |
| Sigurðsson, Haraldur, Á. | Haraldur Á. Sigurðsson | Actor | 1928 | 1 | |
| Sigurðsson, Ingvar E. | Ingvar E. Sigurðsson | Actor | 1991 - 2018 | 24 | 4 |
| Sigurðsson, Jón | Jón Sigurðsson | Actor | 1978 | 1 | |
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