| Siame, Bruno | Bruno Siame (Bruno Siame) | Sound Designer | 1986 | 2 | |
| Sianko, Marcin | Marcin Sianko (Marcin Sianko) | Actor | 1999 | 1 | |
| Siarkou, Theodora | Theodora Siarkou | Actor | 2007 - 2008 | 2 | |
| Siatkowski, Dariusz | Dariusz Siatkowski | Actor | 1998 | 1 | |
| Siayor, Kingsford | Kingsford Siayor (Kingsford Siayor) | Actor | 2004 - 2013 | 7 | |
| Sibanda, Swallen | Swallen Sibanda (Swallen Sibanda) | Actor | 2003 | 1 | |
| Sibecas, Isaac | Isaac Sibecas | | | | 5 |
| Sibelius, Jean | Jean Sibelius (Jean Sibelius) | Composer | 1913 - 2018 | 17 | |
| Sibelius, Ruth | Ruth Sibelius | Actor | 1916 | 2 | |
| Siberry, Michael | Michael Siberry | Actor | 1978 - 2012 | 3 | |
| Siberski, Elana | Elana Siberski | Lighting Designer | 2005 | 1 | |
| Sibinović, Aleksandar | Aleksandar Sibinović | Actor | 1979 - 1983 | 2 | |
| Sibley, David | David Sibley | Actor | 2013 | 1 | |
| Sibold, Karl | Karl Sibold (Karl Sibold) | Actor | 1954 - 1972 | 5 | |
| Sibtain, Chook | Chook Sibtain | Actor | 2010 | 1 | |
| Sica, Carol | Carol Sica (Carol Sica) | Actor | 1964 - 1966 | 2 | |
| Sich, Veronika | Veronika Sich | Dancer | 1966 | 1 | |
| Sichel, Fru | Fru Sichel (Fru Sichel) | Actor | 1894 - 1895 | 5 | |
| Sicher, Ruth | Ruth Sicher | Translator | 2009 | 1 | |
| Sichler, Klaus | Klaus Sichler | Actor | 1966 - 1980 | 3 | |
| Sichrovsky, Axel | Axel Sichrovsky | Actor | 2012 | 1 | 2 |
| Sick, Carl | Carl Sick (Carl Sick) | Actor | 1891 - 1900 | 2 | |
| Sick, Karl | Karl Sick (Karl Sick) | Actor | 1903 | 1 | |
| Sicker, Gertrud | Gertrud Sicker (Gertrud Sicker) | Actor | 1894 - 1898 | 2 | |
| Sid, Sven | Sven Sid | Actor | 1978 - 2001 | 9 | |
| Sidaway, Marlene | Marlene Sidaway | Actor | 1993 | 1 | |
| Siddeki, Sabrina | Sabrina Siddeki | Actor | 2018 | 1 | |
| Siddika, Aysha | Aysha Siddika | Actor | 2006 | 1 | |
| Siddique, Assad | Assad Siddique (Assad Siddique) | Actor | 2006 | 50 | |
| Siddons, Bruce | Bruce Siddons | Director | 1979 | 1 | |
| Siddons, Bruce A. | Bruce A. Siddons | Actor | 1978 | 1 | |
| Sidell, Phil | Phil Sidell | Actor | 1978 | 1 | |
| Sideri, Sivi | Sivi Sideri | Actor | 1984 - 1985 | 2 | |
| Sideris, Isidoros | Isidoros Sideris | Actor | 1989 | 1 | |
| Sidhu, Devinder | Devinder Sidhu | Actor | 2010 | 1 | |
| Sidhu, Tajinder | Tajinder Sidhu | Actor | 2010 | 1 | |
| Sidi, Manal | Manal Sidi | Actor | 2014 | 1 | |
| Sidiropoulos, Nikos | Nikos Sidiropoulos | Actor | 1992 | 1 | |
| Sidiropoulos, Rafail | Rafail Sidiropoulos | Actor | 2018 | 1 | |
| Sidiropoulou, Angela | Angela Sidiropoulou | Actor | 2014 - 2015 | 2 | |
| Sidler, Erich | Erich Sidler | Director | 2006 | 1 | |
| Sidler, Johannes | Johannes Sidler (Johannes Sidler) | Actor | 1961 | 1 | |
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