| Sanov, Metodi | Metodi Sanov | Costume Designer, Designer | 1957 | 2 | |
| Schopova, D. | D. Schopova | Actor | 1957 | 1 | |
| Sedova, M. | M. Sedova | Actor | 1957 | 1 | |
| Spranger, Deborah | Deborah Spranger | Actor | 1957 | 3 | |
| Stearns, Elizabeth | Elizabeth Stearns | Actor | 1957 | 1 | |
| Spiegler, James | James Spiegler | Actor | 1957 | 1 | |
| Selznick, Daniel | Daniel Selznick | Actor | 1957 | 1 | |
| Sobels, Robert | Robert Sobels | Actor | 1957 | 2 | |
| Schild, Gerard | Gerard Schild | Actor | 1957 | 2 | |
| Stegars, Rolf | Rolf Stegars | Designer | 1957 | 1 | |
| Salmelainen, Eino | Eino Salmelainen | Director | 1957 | 1 | |
| Salonen, Sylvi | Sylvi Salonen | Actor | 1957 | 1 | |
| Savin, Nicolae | Nicolae Savin | Designer | 1957 | 1 | |
| Spasevska, Inka | Inka Spasevska | Actor | 1957 | 1 | |
| Spasevska, Mira | Mira Spasevska | Actor | 1957 | 1 | |
| Sac, N. | N. Sac | Director | 1957 | 1 | |
| Sokolova, M. | M. Sokolova | Actor | 1957 | 1 | |
| Sudzan, A. | A. Sudzan | Actor | 1957 | 1 | |
| Stephenson, Edwin | Edwin Stephenson | Actor | 1957 | 1 | |
| Svoboda, Jiří | Jiří Svoboda | Actor, Director | 1956 - 2015 | 2 | 1 |
| Simonsen, Kari | Kari Simonsen | Actor | 1956 - 2008 | 38 | 1 |
| Svendsen, Torben, Anton | Torben Anton Svendsen | Director | 1956 - 2003 | 4 | 1 |
| Sundström, Frank | Frank Sundström | Actor, Director | 1956 - 1998 | 16 | 1 |
| Savvopoulou, Tania | Tania Savvopoulou | Actor | 1956 - 1995 | 13 | |
| Strobl, Rudolf | Rudolf Strobl | Actor | 1956 - 1985 | 4 | |
| Specht, Heinz | Heinz Specht | Choreographer, Dancer, Director | 1956 - 1976 | 5 | |
| Skalicki, Wolfram | Wolfram Skalicki | Designer | 1956 - 1976 | 2 | |
| Shuman, Roy | Roy Shuman | Actor | 1956 - 1971 | 3 | 1 |
| Smyrner, Paul | Paul Smyrner | Actor | 1956 - 1970 | 2 | |
| Sheppard, Guy | Guy Sheppard | Costume Designer, Designer | 1956 - 1967 | 6 | |
| Schott, Margarete | Margarete Schott | Actor | 1956 - 1966 | 2 | |
| Schneider-Siemsen, Günther | Günther Schneider-Siemsen | Designer | 1956 - 1965 | 2 | |
| Sire, Agustin | Agustin Sire | Actor, Director, Translator | 1956 - 1962 | 3 | 1 |
| Sotoconil, Ruben | Ruben Sotoconil | Actor | 1956 - 1962 | 2 | 1 |
| Solø-Nilsen, Sverre | Sverre Solø-Nilsen | Actor | 1956 - 1960 | 2 | |
| Seybert, Karin | Karin Seybert | Actor | 1956 - 1958 | 2 | |
| Sack, Jutta | Jutta Sack | Actor | 1956 - 1958 | 2 | |
| S' Jongers, Irène | Irène S' Jongers | Actor | 1956 - 1957 | 6 | |
| Sneyers, N. | N. Sneyers | Actor | 1956 - 1957 | 3 | |
| Sharp, Kathleen | Kathleen Sharp | Costume Designer | 1956 | 1 | |
| Simister, Jack | Jack Simister | Actor | 1956 | 1 | |
| Skinner, Charles | Charles Skinner | Designer | 1956 | 1 | |
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