| Seaton, A. Morrice | A. Morrice Seaton | Actor | 1903 | 1 | |
| Serednicka, - | - Serednicka | Actor | 1903 | 1 | |
| Stankiewicz, - | - Stankiewicz | Actor | 1903 | 1 | |
| Szemetyłło, - | - Szemetyłło | Actor | 1903 | 1 | |
| Sud`binin, S. N. | S. N. Sud`binin | Actor | 1903 | 1 | |
| Safronova, E. | E. Safronova | Actor | 1903 | 1 | |
| Schancke, Ingolf | Ingolf Schancke | Actor | 1903 - 1904 | 17 | |
| sangforeningskor, Plovdiv | Plovdiv sangforeningskor | Actor | 1903 | 1 | |
| Scalambretti, Argenide | Argenide Scalambretti | Actor | 1908 - 1909 | 10 | |
| Sabbatini, E. | E. Sabbatini | Actor | 1903 | 1 | |
| Szulczewski, Jan | Jan Szulczewski | Actor | 1903 | 1 | |
| Signoret, - | - Signoret | Actor | 1903 - 1908 | 3 | |
| Sznage-Zielińska, Anna | Anna Sznage-Zielińska | Actor | 1903 - 1910 | 3 | |
| Steinsberg, Florentin | Florentin Steinsberg | Actor | 1904 - 1922 | 8 | |
| Schubertová, Jiřina | Jiřina Schubertová | Actor | 1912 | 1 | |
| Staley, George C. | George C. Staley | Actor | 1904 | 2 | |
| Szarski, Władysław | Władysław Szarski | Actor | 1904 | 1 | |
| Sabatini, E. | E. Sabatini | Actor | 1904 | 3 | |
| Stenström, Edvin | Edvin Stenström | Actor | 1904 - 1924 | 6 | |
| Sachsenburg, Fritz | Fritz Sachsenburg | Actor | 1904 - 1905 | 9 | |
| Stevens, Emily | Emily Stevens | Actor | 1904 - 1926 | 2 | |
| Schoeffel, John B. | John B. Schoeffel | Producer | 1904 | 1 | |
| Szymańska, Helena | Helena Szymańska | Actor | 1904 | 1 | |
| Slocum, Harold W. | Harold W. Slocum | Actor | 1905 | 1 | |
| Sequi, Giuseppe | Giuseppe Sequi | Actor | 1905 | 1 | |
| Sequi, Mrs. | Mrs. Sequi | Actor | 1905 | 1 | |
| Stern, Fritz | Fritz Stern | Actor | 1905 | 2 | |
| Svonareva, Sofija | Sofija Svonareva | Actor | 1905 | 1 | |
| Siennicki, Jan | Jan Siennicki | Actor | 1905 | 1 | |
| Stefański, Stefan | Stefan Stefański | Actor | 1905 | 1 | |
| Szymański, Jan | Jan Szymański | Actor | 1905 - 1911 | 5 | |
| Sheppard, Josephine | Josephine Sheppard | Actor | 1905 | 1 | |
| Shelton, George | George Shelton | Actor | 1905 | 1 | |
| Schmid, Adolf | Adolf Schmid | Conductor, Musical Director | 1905 - 1909 | 2 | |
| Sumper, Seweryna | Seweryna Sumper | Actor | 1905 | 1 | |
| Stojtscheva, Teodorina | Teodorina Stojtscheva | Actor | 1905 - 1942 | 8 | |
| Salom, Louise | Louise Salom | Actor | 1905 | 1 | |
| Sándor, József | József Sándor | Actor | 1905 - 1908 | 5 | |
| Schmitt, - | - Schmitt | Actor | 1907 - 1911 | 4 | |
| Schmitt, Jeanne | Jeanne Schmitt | Actor | 1907 - 1911 | 4 | |
| St. Nenov, R. | R. St. Nenov | Actor | 1906 | 1 | |
| Snezhina, Elena | Elena Snezhina | Actor | 1906 - 1937 | 4 | |
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