| Slocum, Harold W., | Harold W. Slocum (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 | 8 | |
| Salom, Louise, | Louise Salom | Actor | 1905 | 1 | |
| Smith, Frederick, | Frederick Smith | Actor | 1905 | 1 | |
| Somlóné, Margit B., | Margit B. Somlóné (Margit B. Somlóné) | Translator | 1905 | 1 | |
| Sándor, József, | József Sándor | Actor | 1905 - 1907 | 5 | |
| Schmitt, -, | - Schmitt | Actor | 1907 | 4 | |
| Schmitt, Jeanne, | Jeanne Schmitt | Actor | 1907 | 4 | |
| St. Nenov, R., | R. St. Nenov | Actor | 1906 | 1 | |
| Snezhina, Elena, | Elena Snezhina | Actor | 1906 | 4 | |
| Sarafova, Donka, | Donka Sarafova | Actor | 1906 | 4 | |
| Stojtschev, Petar, | Petar Stojtschev | Actor | 1906 | 3 | |
| Salvini, Gustavo, | Gustavo Salvini | Actor | 1906 | 5 | |
| Salvini, Ida, | Ida Salvini | Actor | 1906 | 4 | |
| Sylvie, -, | - Sylvie | Actor | 1906 | 2 | |
| Saverne, Georges, | Georges Saverne | Actor | 1906 | 1 | |
| Scardin, Paul, | Paul Scardin | Actor | 1906 | 1 | |
| Sadovskij, Prov, | Prov Sadovskij | Actor | 1906 | 1 | |
| Swanström, Karin, | Karin Swanström | Actor | 1906 | 2 | |
| Schultz, Carl, | Carl Schultz | Actor | 1906 | 1 | |
| Szymborski, Jan, | Jan Szymborski | Actor, Director | 1906 - 1909 | 2 | |
| Santoucha, -, | - Santoucha | Actor | 1906 | 2 | |
| Stoddard, S. B., | S. B. Stoddard (S. B. Stoddard) | Actor | 1906 | 3 | |
| Sapunov, Nikolai, | Nikolai Sapunov | Designer | 1906 | 1 | |
| Starzewska, Antonina, | Antonina Starzewska | Actor | 1906 | 1 | |
| Sándor, Miklós, | Miklós Sándor | Actor | 1906 - 1907 | 4 | |
| Somlai, Arthur, | Arthur Somlai | Actor | 1906 - 1907 | 4 | |
| Szymborski, Wacław, | Wacław Szymborski | Actor | 1907 - 1914 | 5 | |
| Sanders, Mary, | Mary Sanders | Actor | 1907 | 1 | |
| Standing, Guy, | Guy Standing | Actor | 1907 | 1 | |
| Schmaha, Josef, | Josef Schmaha | Director | 1907 | 4 | |
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