| Selinheimo, Ulla | Ulla Selinheimo | Costume Designer, Designer | 1972 - 1976 | 3 | |
| Semo, Alfredo | Alfredo Semo | Designer | 2006 - 2012 | 3 | |
| Settgast, Peter | Peter Settgast | Actor | 1961 - 1987 | 3 | |
| Shaheen, Israfil | Israfil Shaheen | Director | 1998 - 2006 | 3 | |
| Shawhan, April | April Shawhan | Actor | 1971 - 1992 | 3 | 1 |
| Shenar, Paul | Paul Shenar | Actor | 1973 - 1981 | 3 | 1 |
| Shin, Kinzo | Kinzo Shin | Actor | 1950 - 1978 | 3 | |
| Shuman, Roy | Roy Shuman | Actor | 1956 - 1971 | 3 | 1 |
| Silanen, Hilkka | Hilkka Silanen | Actor, Director | 1952 - 1972 | 3 | |
| Silva, Sérgio | Sérgio Silva | Actor, Sound Designer | 1993 - 2015 | 3 | 1 |
| Simon, Sven | Sven Simon | Actor | 1992 - 2017 | 3 | |
| Simonsen, Lars | Lars Simonsen | Actor | 1994 - 2013 | 3 | 3 |
| Sjoberg, Alf | Alf Sjoberg | Actor, Director | 1920 - 2005 | 3 | |
| Sjöberg, Hjalmar | Hjalmar Sjöberg | Actor | 1878 - 1886 | 3 | 1 |
| Skála, Petr | Petr Skála | Actor | 1965 - 2000 | 3 | |
| Skirmunt, Mieczysław | Mieczysław Skirmunt | Actor | 1883 - 1891 | 3 | |
| Skoda, Albin | Albin Skoda | Actor | 1931 - 1952 | 3 | |
| Slíva, Ladislav | Ladislav Slíva | Adaptation, Dramaturg | 1998 - 2002 | 3 | |
| Smart, Annie | Annie Smart | Costume Designer, Designer | 1998 - 2004 | 3 | |
| Smith, Jay | Jay Smith | Actor | 2002 | 3 | |
| Sobat, Vera | Vera Sobat | Costume Designer | 1984 - 1998 | 3 | |
| Söhnel, Eberhard | Eberhard Söhnel | Costume Designer, Designer | 1968 - 1981 | 3 | |
| Söhnel, Monika | Monika Söhnel | Actor | 1975 - 1981 | 3 | |
| Solga, Georg | Georg Solga | Actor | 1959 - 1992 | 3 | |
| Spanhak, Karel | Karel Spanhak | Designer | 1971 - 1972 | 3 | |
| Stalder, Monika | Monika Stalder | Actor | 2008 | 3 | |
| Stefanik, Irén | Irén Stefanik | Actor | 1965 - 1969 | 3 | |
| Stenbeck, Monica | Monica Stenbeck | Actor | 1983 - 1984 | 3 | 1 |
| Sterler, Hermine | Hermine Sterler | Actor | 1922 - 1925 | 3 | |
| Stobbe, Michael | Michael Stobbe | Actor | 1971 - 1996 | 3 | |
| Stöckl, Ilse | Ilse Stöckl | Actor | 1978 - 1989 | 3 | |
| Stoffregen, Helene | Helene Stoffregen | Actor | 1963 - 1965 | 3 | |
| Stokes, John | John Stokes | Designer, Director | 1977 - 1987 | 3 | 1 |
| Stöß, Christa | Christa Stöß | Dramaturg | 1975 - 1981 | 3 | |
| Strid-Johnson, Maria | Maria Strid-Johnson | Mask Maker | 1989 - 1991 | 3 | |
| Ströhlin, Otto | Otto Ströhlin | Actor | 1925 - 1952 | 3 | |
| Stuckenberg, Ila | Ila Stuckenberg | Actor | 2001 - 2003 | 3 | |
| Sueur, Isabelle | Isabelle Sueur | Actor | 2000 - 2003 | 3 | |
| Sugimura, Haruko | Haruko Sugimura | Actor | 1928 - 1967 | 3 | |
| Sundberg, Peter | Peter Sundberg | Actor | 1997 - 2000 | 3 | 1 |
| Sundborg, Solveig | Solveig Sundborg | Actor | 1967 - 1985 | 3 | |
| Suurballe, Morten | Morten Suurballe | Actor | 1990 - 2013 | 3 | 2 |
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