| Soleri, Ferruccio | Ferruccio Soleri | Actor | 1963 | 1 | |
| Schneider, Hans | Hans Schneider | Designer | 1963 | 1 | |
| Sumner, David | David Sumner | Actor | 1963 | 1 | |
| Shoulder, Dirk | Dirk Shoulder | Actor | 1963 | 1 | |
| Schweizer, Jason | Jason Schweizer | Actor | 1963 | 1 | |
| Seeman, Jim | Jim Seeman | Actor | 1963 | 1 | |
| Salisbury, Linda | Linda Salisbury | Actor | 1963 | 1 | |
| Salmon, Kenneth | Kenneth Salmon | Actor | 1963 | 1 | |
| Stratoulias, Giannis | Giannis Stratoulias | Actor | 2012 | 1 | |
| Souri, Vasiliki | Vasiliki Souri | Actor | 2012 | 1 | |
| Serroni, J.C. | J. C. Serroni | Costume Designer, Designer | 2012 | 2 | |
| Saleeby, Jack | Jack Saleeby | Actor | 2016 | 1 | |
| Stenius, Inger | Inger Stenius | Actor | 1959 - 1963 | 2 | |
| Shepard, Celinda | Celinda Shepard | Costume Designer | 1963 | 1 | |
| Stave, Marian | Marian Stave | Actor | 1963 | 1 | |
| Sielken, Robert | Robert Sielken | Designer, Lighting Designer | 1963 | 2 | |
| Strathearn, Julie | Julie Strathearn | Actor | 1963 | 1 | |
| Snoek, Jacques | Jacques Snoek | Actor | 1954 - 1963 | 3 | |
| Schaer, Henk | Henk Schaer | Actor | 1963 - 1976 | 2 | |
| Sharp, Norma | Norma Sharp | Actor | 1963 | 1 | |
| Stolp, Marianne | Marianne Stolp | Costume Designer | 1963 | 1 | |
| Sanden, Adelheid | Adelheid Sanden | Actor | 1963 | 1 | |
| Schüddekopf, Gerhild | Gerhild Schüddekopf | Actor | 1963 | 1 | |
| Smith, Sheridan | Sheridan Smith | Actor | 2012 | 1 | |
| Scarborough, Adrian | Adrian Scarborough | Actor | 2012 | 1 | |
| Scott, Alfie | Alfie Scott | Actor | 2016 | 1 | |
| Scott, Gordon | Gordon Scott | Actor | 1963 | 1 | |
| Santone, Ellis | Ellis Santone | Designer, Director | 1963 | 2 | |
| Schroeder, Jane | Jane Schroeder | Actor | 1963 | 1 | |
| Sansom, Laurie | Laurie Sansom | Director | 2012 | 1 | |
| Sutcliffe, Ruth | Ruth Sutcliffe | Designer | 2012 | 1 | |
| Shrapnel, Lex | Lex Shrapnel | Actor | 2012 | 1 | |
| Siberry, Michael | Michael Siberry | Actor | 1978 - 2012 | 3 | |
| Sandoval, Mhari | Mhari Sandoval | Actor | 2016 | 1 | |
| Soria, Cristina | Cristina Soria | Actor | 2016 | 1 | |
| Schlief, Matt | Matt Schlief | Designer | 2016 - 2020 | 2 | |
| Shulkin, Shellie | Shellie Shulkin | Actor | 2012 | 1 | |
| Stecconi, Luciana | Luciana Stecconi | Designer | 2012 - 2016 | 2 | |
| Schraf, Kimberly | Kimberly Schraf | Actor | 2016 | 1 | |
| Schmidt, Emile, O. | Emile O. Schmidt | Director | 1963 | 1 | |
| Scudder, Alice | Alice Scudder | Actor | 1963 | 1 | |
| Symons, James | James Symons | Actor | 1963 | 1 | |
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