| Spamer, Heinrich | Heinrich Spamer | Actor | 1908 - 1910 | 2 | |
| Schölermann, Henny | Henny Schölermann | Actor | 1906 | 4 | |
| Saldets'ka, Tetjana | Tetjana Saldets'ka | Actor | 2004 | 1 | |
| Sjirokorad, Katerina | Katerina Sjirokorad | Actor | 2004 | 1 | |
| Sidorenko, Jevgenij | Jevgenij Sidorenko | Actor | 2004 | 1 | |
| Schille, Anders | Anders Schille | Sound Designer | 2010 - 2013 | 3 | |
| Samnøen, Erlend | Erlend Samnøen | Choreographer | 2011 - 2012 | 2 | |
| Spencer, Lee | Lee Spencer | Actor | 2011 | 1 | |
| Speake, Jess | Jess Speake | Actor | 2011 | 1 | |
| Smith, David E. | David E. Smith | Composer, Sound Designer | 2009 - 2011 | 3 | |
| Svavarsdóttir, Ása Hlín | Ása Hlín Svavarsdóttir | Director | 1993 | 1 | |
| Stuck, Sibylle | Sibylle Stuck | Lighting Designer | 2000 - 2013 | 6 | |
| Sutton, Carey | Carey Sutton | Actor | 1972 | 1 | |
| Smith, Richard L. | Richard L. Smith | Costume Designer, Designer, Lighting Designer | 1972 | 3 | |
| Sampson, Melinda | Melinda Sampson | Sound Designer | 1972 | 1 | |
| Skore, Tom T. | Tom T. Skore | Actor | 1975 | 1 | |
| Smith, Robert G. | Robert G. Smith | Designer, Lighting Designer | 1984 | 2 | |
| Swift, Katie | Katie Swift | Actor | 2011 | 2 | |
| Shelley, Carole | Carole Shelley | Actor | 1973 | 1 | |
| Scheffler, John | John Scheffler | Designer | 1973 | 1 | |
| Sullivan, Jr., Fred | Fred Sullivan, Jr. | Actor, Director | 1998 - 2021 | 5 | |
| Salvatore, Marilyn | Marilyn Salvatore | Costume Designer | 2004 - 2011 | 2 | |
| Sarkar, Nikita Teresa | Nikita Teresa Sarkar | Director, Lighting Designer | 2010 | 2 | |
| Seidel, Christa | Christa Seidel | Actor | 1946 | 1 | |
| Stahl, Walter O. | Walter O. Stahl | Actor, Director | 1917 - 1933 | 27 | |
| Steffens, Marga | Marga Steffens | Actor | 1922 | 1 | |
| Szillart, J. | J. Szillart | Actor | 1915 | 1 | |
| Schäfer, G. | G. Schäfer | Actor | 1915 | 1 | |
| Schott, H. | H. Schott | Actor | 1915 | 1 | |
| Seybold, Walther | Walther Seybold | Actor | 1901 - 1905 | 2 | |
| Seybold, Moni | Moni Seybold | Actor | 1899 - 1905 | 5 | |
| Seybold, Lilli | Lilli Seybold | Actor | 1899 - 1905 | 5 | |
| Stylianou, Natalia | Natalia Stylianou | Choreographer | 2010 | 1 | |
| Sussin, Sandro | Sandro Sussin | Lighting Designer | 2011 | 1 | |
| Scrivano, Nivaldo | Nivaldo Scrivano | Actor | 1956 | 1 | |
| Scrivano, Ivânia | Ivânia Scrivano | Actor | 1956 | 1 | |
| Scrivano, Irani | Irani Scrivano | Actor | 1956 | 1 | |
| Scrivano, Vicente Eduardo | Vicente Eduardo Scrivano | Designer, Director | 1956 | 2 | |
| Sgambati, Olga | Olga Sgambati | Actor | 1990 | 1 | |
| Sepe, Giancarlo | Giancarlo Sepe | Adaptation, Director | 1990 | 2 | |
| Solomon, Doreen | Doreen Solomon | Actor | 1933 | 1 | |
| Solomon, Marjorie | Marjorie Solomon | Actor | 1933 - 1941 | 2 | |
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