| Siegrist, Beat | Beat Siegrist | Actor | 1995 | 3 | |
| Siegrist, Evelyne | Evelyne Siegrist | Actor | 1998 | 1 | |
| Siegrist, Philipp | Philipp Siegrist | Actor | 1891 | 1 | |
| Siegrist, Ulrike | Ulrike Siegrist | Designer | 2003 | 2 | |
| Siegrot, Anna | Anna Siegrot | Designer | 2001 - 2003 | 40 | |
| Siegumfeldt, Søren | Søren Siegumfeldt | Composer | 2001 - 2013 | 2 | |
| Siekierski, Stanisław | Stanisław Siekierski (Stanisław Siekierski) | Actor | 1972 | 1 | |
| Siekkinen, Ritva | Ritva Siekkinen | Costume Designer | 1983 | 1 | |
| Siekmann, Dora | Dora Siekmann (Dora Siekmann) | Actor | 1937 | 3 | |
| Siel, Ted | Ted Siel | Dancer | 1939 | 1 | |
| Sielken, Robert | Robert Sielken | Designer, Lighting Designer | 1963 | 2 | |
| Siem, Gitte | Gitte Siem | Actor | 1993 | 4 | |
| Siemaszko, Antoni | Antoni Siemaszko (Antoni Siemaszko) | Actor | 1898 - 1918 | 4 | |
| Siemaszková, Wanda | Wanda Siemaszková (Wanda Siemaszková) | Actor | 1905 - 1911 | 8 | |
| Siemaszkowa, Wanda | Wanda Siemaszkowa | Actor, Director | 1899 - 1946 | 47 | |
| Siemers, Friedrich | Friedrich Siemers | Actor | 1960 | 1 | |
| Siemietowsi, Steven | Steven Siemietowsi | Director | 2018 | 1 | |
| Siemon, Lisa | Lisa Siemon (Lisa Siemon) | Actor | 1926 | 2 | |
| Siemon, Maria | Maria Siemon (Maria Siemon) | Actor | 1943 - 1954 | 4 | |
| Siemonsen, Sven | Sven Siemonsen | Actor | 2006 | 2 | 3 |
| Siems, Friedrich | Friedrich Siems (Friedrich Siems) | Actor, Director | 1921 - 1938 | 3 | |
| Siemsen, Herbert | Herbert Siemsen | Actor | 1925 | 1 | |
| Siemund, Christine | Christine Siemund | Actor | 2001 - 2002 | 2 | |
| Siener, Antonie | Antonie Siener (Antonie Siener) | Actor | 1933 | 2 | |
| Sieniawska, Maria | Maria Sieniawska | Actor | 1922 | 1 | |
| Siennicka, Natalia | Natalia Siennicka | Actor | 1920 | 1 | |
| Siennicki, Jan | Jan Siennicki (Jan Siennicki) | Actor | 1905 | 1 | |
| Sierck, Hans Detlef | Hans Detlef Sierck | Director | 1923 - 1935 | 3 | |
| Siercke, Alfred | Alfred Siercke | Costume Designer, Designer | 1968 | 2 | |
| Sierra Izquierdo, Abel | Abel Sierra Izquierdo | Actor | 1955 | 1 | |
| Sierra, Dayanna | Dayanna Sierra | Musician | 2001 | 1 | |
| Sierra, Julio, Luna | Julio Luna Sierra | Actor | 1956 | 1 | |
| Sierra, Nicolás, Luna | Nicolás Luna Sierra | Actor | 1956 | 1 | |
| Sies, Paul | Paul Sies | Actor | 2021 | 2 | |
| Siess, Kevin | Kevin Siess | Actor | 2015 | 1 | |
| Sieveking, Alejandro | Alejandro Sieveking | Costume Designer, Director | 1973 | 2 | |
| Sieveking, Margot | Margot Sieveking | Actor | 1928 | 1 | |
| Sieverding, Katharina | Katharina Sieverding | Costume Designer | 1964 | 1 | |
| Sievers, Horst Dieter | Horst Dieter Sievers | Actor | 1968 - 1972 | 2 | |
| Sievers, Kathrin | Kathrin Sievers | Director | 2017 | 1 | |
| Sievers, Ludwig | Ludwig Sievers | Mask Maker | 1956 | 1 | |
| Sievers, Otto | Otto Sievers (Otto Sievers) | Actor | 1932 | 1 | |
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