| Sullivan, K.T. | K. T. Sullivan | Actor | 1988 | 1 | |
| Soto, Enrique Hernández | Enrique Hernández Soto | Director | 1985 | 1 | |
| Söderman, Oskar | Oskar Söderman | Actor | 2002 - 2005 | 3 | |
| Steinböck, Johanna | Johanna Steinböck | Actor | 1969 | 1 | |
| Simón, Antonio F. | Antonio F. Simón | Actor | 1995 | 1 | |
| Smárason, Daníel | Daníel Smárason | Actor | 1998 | 1 | |
| Stĕpán, Frantisek | Frantisek Stĕpán | Actor | 1998 - 2002 | 3 | |
| Sekulić, Miljenko | Miljenko Sekulić | Designer, Puppet Designer | 1999 - 2021 | 4 | |
| Simunković, Julio | Julio Simunković | Sound Designer | 1999 | 1 | |
| Soskić, Kjaja | Kjaja Soskić | Actor | 1999 | 1 | |
| Soskić, Goran | Goran Soskić | Actor | 1999 | 1 | |
| Sáfár, Zsolt Kovács | Zsolt Kovács Sáfár | Actor | 2003 - 2005 | 4 | |
| Schönwälder, Friedel | Friedel Schönwälder | Actor | 1939 | 1 | |
| Seeman, Vladimír | Vladimír Seeman | Actor | 1955 | 1 | |
| Součková, J. | J. Součková | Actor | 1955 | 1 | |
| Szöllősi, Blanka | Blanka Szöllősi | Actor | 1960 | 1 | |
| Sčurina, Ol´ga | Ol´ga Sčurina | Designer | 2001 | 1 | |
| Suslova, Tat'jana | Tat'jana Suslova | Actor | 2001 | 1 | |
| Skrastiņs, Artūrs | Artūrs Skrastiņs | Actor | 2005 - 2008 | 5 | |
| Sebuev, G. | G. Sebuev | Actor, Director | 1940 | 2 | |
| Schließke, Karl-Heinz | Karl-Heinz Schließke | Actor | 1964 | 1 | |
| Schröder, Friedrich Wilhelm | Friedrich Wilhelm Schröder | Actor | 1919 | 1 | |
| Slavinská, Jindřiska | Jindřiska Slavinská | Actor | 1889 | 1 | |
| Sawko, Władysław | Władysław Sawko | Actor | 1957 | 1 | |
| Sternheim, J. | J. Sternheim | Actor | 1911 | 1 | |
| Stevens, George S. | George S. Stevens | Actor | 1904 | 1 | |
| Seymour, Davenport | Davenport Seymour | Actor | 1905 | 1 | |
| Sundberg, Poul | Poul Sundberg | Actor | 1889 - 1901 | 6 | |
| Sarkar, Sathi | Sathi Sarkar | Musician | 2000 - 2002 | 6 | |
| Sipos, Sabine | Sabine Sipos | Actor | 1993 | 1 | |
| Small, Larry | Larry Small | Actor | 1982 | 1 | |
| Straney, Paul | Paul Straney | Actor | 1982 | 1 | |
| Saracino, E. | E. Saracino | Actor | 1920 | 1 | |
| Santala, Karlo | Karlo Santala | Translator | 1880 - 1885 | 3 | |
| Schmidt, - | - Schmidt | Actor | 1859 - 1906 | 10 | |
| Staveley, W.R. | W. R. Staveley | Actor | 1892 - 1906 | 5 | |
| Slater, Graham | Graham Slater | Lighting Designer | 2004 | 1 | |
| Skryten, Gerd Iren | Gerd Iren Skryten | Actor | 1995 | 1 | |
| Sgambellone, Barbara | Barbara Sgambellone | Designer | 1996 | 2 | |
| Sehn, Carla | Carla Sehn | Actor | 2002 - 2005 | 3 | |
| Steckel, David M. | David M. Steckel | Actor | 2002 | 1 | |
| Strathman, Jennifer | Jennifer Strathman | Actor | 2002 | 1 | |
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