| Smiļģis, Eduards | Eduards Smiļģis | Actor, Adaptation, Director | 1914 - 1964 | 9 | 1 |
| Szillart, J. | J. Szillart | Actor | 1915 | 1 | |
| Schäfer, G. | G. Schäfer | Actor | 1915 | 1 | |
| Schott, H. | H. Schott | Actor | 1915 | 1 | |
| Schott, Charlotte | Charlotte Schott | Actor | 1915 | 1 | |
| Spannuth-Bodenstedt, Ludwig | Ludwig Spannuth-Bodenstedt | Actor | 1915 | 1 | |
| Servos, Herta | Herta Servos | Actor | 1915 | 2 | |
| Sander, Berthold | Berthold Sander | Composer | 1915 | 1 | |
| Sommer, Gertrud | Gertrud Sommer | Actor | 1915 | 1 | |
| Sarnen, Lilly | Lilly Sarnen | Actor | 1915 | 1 | |
| Schur, Willi | Willi Schur | Actor | 1915 | 1 | |
| Seabury, Edith | Edith Seabury | Actor | 1915 | 2 | |
| Stavenow, Athenaïs | Athenaïs Stavenow | Actor | 1915 | 1 | |
| Stefanoffová, Ritta | Ritta Stefanoffová | Actor | 1915 | 1 | |
| Sokołowska, Halina | Halina Sokołowska | Actor | 1915 | 1 | |
| Skordilis, L. | L. Skordilis | Actor | 1915 | 1 | |
| Schich, Wilhelm | Wilhelm Schich | Actor | 1915 | 2 | |
| Stedman, Myrtle | Myrtle Stedman | Actor | 1915 | 1 | |
| Stevens, Kitty | Kitty Stevens | Actor | 1915 | 1 | |
| Standing, Herbert | Herbert Standing | Actor | 1915 | 1 | |
| Stockbridge, Fanny Y. | Fanny Y. Stockbridge | Actor | 1915 | 1 | |
| Siegmann, George | George Siegmann | Assistant Director | 1915 | 1 | |
| Schäfer, Hans | Hans Schäfer | Actor | 1915 - 1917 | 5 | |
| Stein, Gisa | Gisa Stein | Actor | 1915 - 1917 | 6 | |
| Scholze, Ernst | Ernst Scholze | Actor | 1915 - 1918 | 3 | |
| Stephani, Frk. | Frk. Stephani | Actor | 1915 - 1918 | 3 | |
| Sawicki, Józef | Józef Sawicki | Actor | 1915 - 1918 | 30 | |
| Schröder, Arthur | Arthur Schröder | Actor | 1915 - 1922 | 2 | |
| Szpakiewicz, Mieczysław | Mieczysław Szpakiewicz | Actor, Director | 1915 - 1923 | 4 | |
| Sommer, Alf | Alf Sommer | Actor | 1915 - 1949 | 9 | 1 |
| Struve, Carl | Carl Struve | Actor | 1915 - 1956 | 4 | |
| Schildkraut, Joseph | Joseph Schildkraut | Actor, Director | 1915 - 1963 | 7 | 1 |
| Sude, Gertrude | Gertrude Sude | Actor | 1916 | 1 | |
| Stoffer, Erna | Erna Stoffer | Actor | 1916 | 1 | |
| Schmidt, Liddy | Liddy Schmidt | Actor | 1916 | 1 | |
| Simchowitz, Sascha | Sascha Simchowitz | Director | 1916 | 1 | |
| Sindlinger, Lotte | Lotte Sindlinger | Actor | 1916 | 1 | |
| Schneider, Friedrich | Friedrich Schneider | Actor | 1916 | 1 | |
| Sommer, Karl | Karl Sommer | Actor | 1916 | 1 | |
| Schumann, Otto | Otto Schumann | Actor | 1916 | 1 | |
| Schwaiger, - | - Schwaiger | Actor | 1916 | 1 | |
| Strong, Vivian | Vivian Strong | Actor | 1916 | 1 | |
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