| Strycharski, Julian | Julian Strycharski (Julian Strycharski) | Actor | 1911 | 1 | |
| Sherry, E. P. | E. P. Sherry (E. P. Sherry) | Actor | 1911 | 1 | |
| Sasamoto, Mitsuhiro | Mitsuhiro Sasamoto (Mitsuhiro Sasamoto) | Actor | 1912 | 1 | |
| Stenzel, Mr. | Mr. Stenzel (Mr. Stenzel) | Actor | 1912 | 1 | |
| Scherrer, Frk. | Frk. Scherrer (Frk. Scherrer) | Actor | 1912 | 1 | |
| Simsone, Annija | Annija Simsone (Annija Simsone) | Actor | 1912 | 2 | |
| Schwanneke, Viktor | Viktor Schwanneke (Viktor Schwanneke) | Actor | 1912 - 1916 | 2 | |
| Sarantidis, Georgios | Georgios Sarantidis (Georgios Sarantidis) | Actor | 1912 - 1930 | 5 | |
| Sarrigiannis, Angelos | Angelos Sarrigiannis (Angelos Sarrigiannis) | Actor | 1912 | 2 | |
| Stratigopoulos, Ioannis | Ioannis Stratigopoulos (Ioannis Stratigopoulos) | Actor | 1912 | 3 | |
| Sosnokowski, Józef gw. | Józef gw. Sosnokowski (Józef gw. Sosnokowski) | Actor, Director | 1912 - 1917 | 2 | |
| Slangus, Axel | Axel Slangus (Axel Slangus) | Actor | 1912 - 1961 | 7 | |
| Sandborg, Olof | Olof Sandborg (Olof Sandborg) | Actor | 1912 - 1958 | 10 | |
| Sjögren, Anna | Anna Sjögren (Anna Sjögren) | Actor | 1912 - 1913 | 3 | |
| Symra, Agnes | Agnes Symra (Agnes Symra) | Actor | 1913 | 4 | |
| Sibelius, Jean | Jean Sibelius (Jean Sibelius) | Composer | 1913 - 2018 | 17 | |
| Svendsen, Morten L. | Morten L. Svendsen (Morten L. Svendsen) | Musical Director | 1913 - 1921 | 3 | |
| Sveilis, Miķelis | Miķelis Sveilis (Miķelis Sveilis) | Actor | 1913 - 1915 | 3 | |
| Spångberg, Agnes | Agnes Spångberg (Agnes Spångberg) | Actor | 1913 | 1 | |
| Sawada, Shojiro | Shojiro Sawada (Shojiro Sawada) | Actor | 1914 | 1 | |
| Sugiyama, Ayako | Ayako Sugiyama (Ayako Sugiyama) | Actor | 1914 | 2 | |
| Skjønberg, Eugen | Eugen Skjønberg | Actor | 1914 - 1952 | 18 | |
| Smiļģis, Eduards | Eduards Smiļģis (Eduards Smiļģis) | Actor, Adaptation, Director | 1914 - 1964 | 9 | |
| Shirakawa, Otsuma | Otsuma Shirakawa (Otsuma Shirakawa) | Actor | 1914 | 1 | |
| Soden, Anna | Anna Soden (Anna Soden) | Actor | 1914 | 1 | |
| Seabury, Edith | Edith Seabury (Edith Seabury) | Actor | 1915 | 2 | |
| Stavenow, Athenaïs | Athenaïs Stavenow (Athenaïs Stavenow) | Actor | 1915 | 1 | |
| Stefanoffová, Ritta | Ritta Stefanoffová (Ritta Stefanoffová) | Actor | 1915 | 1 | |
| Sommer, Alf | Alf Sommer (Alf Sommer) | Actor | 1915 - 1949 | 9 | |
| Strong, Vivian | Vivian Strong (Vivian Strong) | Actor | 1916 | 1 | |
| Schubert, Grete | Grete Schubert (Grete Schubert) | Actor | 1916 - 1917 | 2 | |
| Sperlich, Leo | Leo Sperlich | Actor | 1916 | 1 | |
| Sawicki, Józef | Józef Sawicki (Józef Sawicki) | Actor | 1915 - 1918 | 30 | |
| Sydney, Basil | Basil Sydney (Basil Sydney) | Actor | 1917 - 1957 | 4 | |
| Starck, - | - Starck (- Starck) | Actor | 1917 | 1 | |
| Sebestyén, Károly | Károly Sebestyén (Károly Sebestyén) | Translator | 1917 - 1931 | 5 | |
| Stack, William | William Stack (William Stack) | Actor | 1917 | 1 | |
| Sunne, August | August Sunne (August Sunne) | Actor, Director | 1917 | 2 | |
| Scatchard, Henry | Henry Scatchard (Henry Scatchard) | Actor | 1917 | 2 | |
| Simpson, Fraser | Fraser Simpson (Fraser Simpson) | Composer | 1917 | 1 | |
| Szpakiewicz, Mieczysław | Mieczysław Szpakiewicz (Mieczysław Szpakiewicz) | Actor, Director | 1915 - 1923 | 4 | |
| Strachocki, Janusz | Janusz Strachocki (Janusz Strachocki) | Actor | 1917 | 1 | |
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