| Stoddard, S. B., | S. B. Stoddard (S. B. Stoddard) | Actor | 1906 - 1907 | 3 | |
| Sapunov, Nikolai, | Nikolai Sapunov | Designer | 1906 | 1 | |
| Starzewska, Antonina, | Antonina Starzewska | Actor | 1906 | 1 | |
| Sándor, Miklós, | Miklós Sándor | Actor | 1906 - 1908 | 4 | |
| Somlai, Arthur, | Arthur Somlai | Actor | 1906 - 1908 | 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 - 1909 | 4 | |
| Spiro, Peretz R., | Peretz R. Spiro (Peretz R. Spiro) | Actor | 1907 | 1 | |
| Sanford, Erskine, | Erskine Sanford | Actor | 1907 | 1 | |
| Short, Frank Lea, | Frank Lea Short | Actor, Director | 1896 - 1907 | 4 | |
| Stuart, G. L., | G. L. Stuart (G. L. Stuart) | Actor | 1907 | 3 | |
| Salisbury, Munroe, | Munroe Salisbury | Actor | 1907 | 1 | |
| Sills, Milton, | Milton Sills | Actor | 1907 | 2 | |
| Sigurth, Peter, | Peter Sigurth | Actor | 1907 - 1908 | 8 | |
| Sperati, Robert, | Robert Sperati | Actor | 1907 - 1926 | 8 | |
| Svainis, Ansis, | Ansis Svainis | Actor, Translator | 1907 - 1923 | 4 | |
| Sjöström, Sacha, | Sacha Sjöström | Actor | 1907 - 1908 | 2 | |
| Schärlund, Knut, | Knut Schärlund | Actor | 1907 - 1908 | 2 | |
| Singleton, Lillian, | Lillian Singleton | Actor | 1907 - 1911 | 3 | |
| Stroganov, F., | F. Stroganov | Actor, Director | 1908 | 2 | |
| Saxon, Edward, | Edward Saxon | Actor | 1908 | 1 | |
| Sundborg, Vilma, | Vilma Sundborg | Actor | 1908 | 1 | |
| Steingrímsson, Páll, | Páll Steingrímsson | Actor | 1908 | 1 | |
| Sladski, (?), | (?) Sladski | Actor | 1908 | 1 | |
| Sproston, Manning, | Manning Sproston | Actor | 1908 | 1 | |
| Schønberg, Torborg, | Torborg Schønberg | Actor | 1908 - 1948 | 22 | |
| Svaine-Ziediņa, Olga, | Olga Svaine-Ziediņa | Actor | 1908 | 1 | |
| Sweet, Norman, | Norman Sweet | Actor | 1908 | 1 | |
| Scharff, Elsie, | Elsie Scharff | Actor | 1908 | 1 | |
| Schaeffer, Anne, | Anne Schaeffer | Actor | 1908 | 1 | |
| Scott, Richard I., | Richard I. Scott (Richard I. Scott) | Actor | 1908 | 1 | |
| Sanderson, R. D., | R. D. Sanderson (R. D. Sanderson) | Actor | 1908 | 1 | |
| Sokolicz, Antonina, | Antonina Sokolicz | Actor | 1908 - 1913 | 5 | |
| Sznage, Maria, | Maria Sznage | Actor | 1908 | 1 | |
| Stojanova, Kiza, | Kiza Stojanova | Actor | 1908 - 1911 | 2 | |
| Selander, Hjalmar, | Hjalmar Selander | Actor, Director | 1891 - 1908 | 3 | |
| Selander, Concordia, | Concordia Selander | Actor | 1891 - 1909 | 3 | |
| Söderberg, Ingeborg, | Ingeborg Söderberg | Actor | 1908 - 1909 | 2 | |
| Savvas, Spyridon, | Spyridon Savvas | Actor | 1910 - 1929 | 4 | |
| Søderberg, Martin, | Martin Søderberg | Actor | 1909 | 1 | |
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