| Sample, John G. | John G. Sample | Actor | 1999 | 1 | |
| Scott, Siiri | Siiri Scott | Director | 1999 | 1 | |
| Snider, William | William Snider | Actor | 1999 | 1 | 1 |
| Shearing, Hilary | Hilary Shearing | Actor | 1999 | 1 | |
| Schultz, Eva | Eva Schultz | Actor | 1999 | 1 | |
| Schael, Stefan | Stefan Schael | Actor | 1999 | 7 | |
| Stienemeyer, Christine | Christine Stienemeyer | Actor | 1999 | 3 | |
| Slomska, Nastasia | Nastasia Slomska | Actor | 1999 | 1 | |
| Stefi, Alexander | Alexander Stefi | Actor | 1999 | 1 | |
| Slack, Paul | Paul Slack | Actor | 1999 | 7 | |
| Sugasawa, Koh | Koh Sugasawa | Actor | 1999 | 1 | |
| Skachkova, Alexandra | Alexandra Skachkova | Actor | 1999 | 1 | |
| Skorik, Nikolai | Nikolai Skorik | Director | 1999 | 1 | |
| Starovojt, Natalja | Natalja Starovojt | Actor | 1999 | 1 | 1 |
| Schneider, Eric | Eric Schneider | Actor | 1999 | 1 | 1 |
| Stuart, Wendy | Wendy Stuart | Musician | 1999 | 1 | |
| Schmidt, Almuth | Almuth Schmidt | Actor | 1999 | 1 | |
| Schlüter, Meike | Meike Schlüter | Actor | 1999 | 1 | |
| Szántó, Lajos | Lajos Szántó | Actor | 1999 | 1 | |
| Schmidt, Michaela | Michaela Schmidt | Actor | 1999 | 1 | |
| Solov'eva, Ljudmila | Ljudmila Solov'eva | Actor | 1999 | 1 | |
| Serau, Lello | Lello Serau | Actor | 1999 | 1 | |
| Sarti, Rosa | Rosa Sarti | Actor | 1999 | 1 | |
| Sullivan, Jr., Fred | Fred Sullivan, Jr. | Actor, Director | 1998 - 2021 | 5 | |
| Sheng, Han Tong | Han Tong Sheng | Actor | 1998 - 2019 | 6 | 2 |
| Sieberock-Serafimowitsch, Michael | Michael Sieberock-Serafimowitsch | Choreographer, Costume Designer, Designer | 1998 - 2017 | 8 | |
| Schmidt-Rahmer, Hermann | Hermann Schmidt-Rahmer | Director | 1998 - 2017 | 2 | |
| Schmidt, Till | Till Schmidt | Actor | 1998 - 2015 | 5 | |
| Simonides, Jörg | Jörg Simonides | Actor | 1998 - 2015 | 2 | |
| Schneider, Thomas | Thomas Schneider | Actor | 1998 - 2014 | 4 | 1 |
| Sigurjónsson, Stefán, Sturla | Stefán Sturla Sigurjónsson | Actor | 1998 - 2014 | 2 | |
| Sontag, Susan | Susan Sontag | Adaptation, Author | 1998 - 2013 | 37 | 1 |
| Stránský, Martin | Martin Stránský | Actor | 1998 - 2011 | 7 | 3 |
| Sabuj, Khairul Alam | Khairul Alam Sabuj | Adaptation, Translator | 1998 - 2009 | 9 | 1 |
| Schubert, Matthias | Matthias Schubert | Actor, Dramaturg | 1998 - 2009 | 3 | |
| Sendke, Krzysztof | Krzysztof Sendke | Lighting Designer | 1998 - 2008 | 2 | |
| Schörghofer, Hartmut | Hartmut Schörghofer | Costume Designer, Designer | 1998 - 2008 | 4 | |
| Sur, Debanjan | Debanjan Sur | Actor, Designer | 1998 - 2007 | 7 | |
| Shaheen, Israfil | Israfil Shaheen | Director | 1998 - 2006 | 3 | |
| Shostakovich, Dmitri | Dmitri Shostakovich | Composer | 1998 - 2006 | 5 | |
| Saárossy, Kinga | Kinga Saárossy | Actor | 1998 - 2006 | 2 | |
| Smart, Annie | Annie Smart | Costume Designer, Designer | 1998 - 2004 | 3 | |
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