| Steinrück, Albert, | Albert Steinrück | Actor, Director | 1897 – 1900 | 25 | |
| Schwartze, Hans, | Hans Schwartze | Actor, Director | 1900 – 1914 | 3 | |
| Steil, Ferdinand, | Ferdinand Steil | Actor, Director | 1902 | 4 | |
| Seipp, Ludwig, | Ludwig Seipp | Actor, Director | 1902 – 1908 | 10 | |
| Schneider, Hugo, | Hugo Schneider | Actor, Director | 1903 | 3 | |
| Stettner, Emil, | Emil Stettner | Actor, Director | 1905 | 13 | |
| Sturm, Hans, | Hans Sturm | Actor, Director | 1900 | 15 | |
| Salfner, Heinrich, | Heinrich Salfner | Actor, Director | 1906 – 1908 | 4 | |
| Striebeck, Elimar, | Elimar Striebeck | Actor, Director | 1906 | 3 | |
| Schiff, Hermann , | Hermann Schiff | Actor, Director | 1911 – 1919 | 5 | |
| Schön, Ernst Ludwig, | Ernst Ludwig Schön | Actor, Director | 1908 | 3 | |
| Schulz, Paul, | Paul Schulz | Actor, Director | 1912 | 2 | |
| Schulbaur, Dr. Heinz, | Heinz Schulbaur (Dr. Heinz Schulbaur) | Actor, Director | 1913 | 2 | |
| Schröder, Rudolf, | Rudolf Schröder | Actor, Director | 1916 – 1921 | 10 | |
| Schmidt, Robert, | Robert Schmidt | Actor, Director | 1917 – 1927 | 8 | |
| Skal, Sigurd Robert, | Sigurd Robert Skal | Actor, Director | 1920 | 4 | |
| Steckel, Leonhard, | Leonhard Steckel | Actor, Director | 1921 – 1937 | 5 | |
| Siems, Friedrich, | Friedrich Siems | Actor, Director | 1921 | 3 | |
| Seidel, Ernst, | Ernst Seidel | Actor, Director | 1925 | 2 | |
| Stephan, Willy, | Willy Stephan | Actor, Director | 1918 | 5 | |
| Schalla, Hans, | Hans Schalla | Actor, Director | 1928 | 5 | |
| Steiner, Johannes, | Johannes Steiner | Actor, Director | 1935 – 1950 | 7 | |
| Schwartz, Ludwig, | Ludwig Schwartz | Actor, Director | 1936 | 3 | |
| Schroer, Fred, | Fred Schroer | Actor, Director | 1941 | 2 | |
| Schill, Paul, | Paul Schill | Actor, Director | 1943 – 1945 | 2 | |
| Schwab, Herman, | Herman Schwab | Actor, Director | 1902 | 4 | |
| Szymborski, Jan, | Jan Szymborski | Actor, Director | 1906 – 1909 | 2 | |
| Short, Frank Lea, | Frank Lea Short | Actor, Director | 1896 – 1907 | 4 | |
| Stroganov, F., | F. Stroganov | Actor, Director | 1908 | 2 | |
| Selander, Hjalmar, | Hjalmar Selander | Actor, Director | 1891 – 1909 | 3 | |
| Somlay, Artúr, | Artúr Somlay | Actor, Director | 1903 – 1925 | 12 | |
| Segliņš, Vilis, | Vilis Segliņš | Actor, Director | 1909 | 5 | |
| Stössel, Ludwig, | Ludwig Stössel | Actor, Director | 1909 | 2 | |
| Sandø, Toralf, | Toralf Sandø | Actor, Director | 1928 – 2006 | 13 | |
| Scherpf, Alex, | Alex Scherpf | Actor, Director | 1993 – 2004 | 6 | 3 |
| Skramstad, Maj-Christel, | Maj-Christel Skramstad | Actor, Director | 1988 | 4 | |
| Soleglad, Eirik del Barco, | Eirik del Barco Soleglad | Actor, Director | 2000 – 2019 | 5 | |
| Sjöström, Victor, | Victor Sjöström | Actor, Director | 1911 – 1913 | 68 | 2 |
| Sosnokowski, Józef gw., | Józef gw. Sosnokowski (Józef gw. Sosnokowski) | Actor, Director | 1912 – 1917 | 2 | |
| Sunne, August, | August Sunne | Actor, Director | 1917 | 2 | |
| Szpakiewicz, Mieczysław, | Mieczysław Szpakiewicz | Actor, Director | 1915 | 4 | |
| Simsons, Jānis, | Jānis Simsons | Actor, Director | 1918 | 8 | |
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