| Simon, Alexander | Alexander Simon | Actor | 1997 - 2013 | 4 | |
| Simonetti, Laurent | Laurent Simonetti | Actor, Composer | 1997 - 2002 | 4 | |
| Simonelli, Rosa | Rosa Simonelli | Actor | 1997 | 1 | |
| Savoia, Diego | Diego Savoia | Actor | 1997 | 1 | |
| Sazerat, Philippe | Philippe Sazerat | Designer, Lighting Designer | 2014 | 12 | |
| Sturm, Gregor | Gregor Sturm | Costume Designer, Designer | 2010 - 2014 | 3 | |
| Stäubli, Lydia | Lydia Stäubli | Actor | 2014 | 1 | |
| Steinhilber, Nina | Nina Steinhilber | Dramaturg | 2014 | 1 | |
| Soetaert, Susan | Susan Soetaert | Costume Designer | 1997 | 1 | |
| Sidi, Manal | Manal Sidi | Actor | 2014 | 1 | |
| Stolman, Matthew | Matthew Stolman | Actor | 2014 | 1 | |
| Scherr, Gina | Gina Scherr | Lighting Designer | 2014 | 1 | |
| Storås, Susan | Susan Storås | Actor | 2014 | 1 | |
| Salari, Giorgia | Giorgia Salari | Actor | 2013 - 2018 | 9 | |
| Sciaccalugo, Carlo | Carlo Sciaccalugo | Actor | 2013 - 2014 | 4 | |
| Santolamazza, Giovanni | Giovanni Santolamazza | Lighting Designer | 2013 - 2014 | 4 | |
| Spiller, Nancy | Nancy Spiller | Actor | 2013 | 2 | |
| Sählbrandt, Ralph | Ralph Sählbrandt | Actor | 2013 | 2 | |
| Sebestyén, Géza | Géza Sebestyén | Actor | 1920 | 1 | |
| Sajó, Vilmos | Vilmos Sajó | Actor | 1921 | 1 | |
| Segall, Beatriz | Beatriz Segall | Actor, Translator | 1969 | 4 | |
| Stenman, Eva | Eva Stenman | Actor | 1969 | 1 | |
| Svenson, Haakan | Haakan Svenson | Actor | 1969 - 1979 | 3 | |
| Stewart, Philip | Philip Stewart | Composer, Sound Designer | 2013 - 2017 | 4 | |
| Sylvester, Vari | Vari Sylvester | Actor | 2015 | 1 | |
| Steen, Ros | Ros Steen | Musical Director | 2015 | 1 | |
| Septimus, Rikki | Rikki Septimus | Choreographer | 1969 | 1 | |
| Sannes, Sissel | Sissel Sannes | Actor | 1969 | 1 | |
| Sørensen, Hans Chr. | Hans Chr. Sørensen | Actor, Dancer | 1969 | 2 | |
| Sørsdal, Halvor | Halvor Sørsdal | Actor | 1969 | 1 | |
| Sakrison, Patch | Patch Sakrison | Actor | 1969 | 2 | |
| Statton, Tom | Tom Statton | Actor | 1969 - 1970 | 3 | |
| Stites, Sara | Sara Stites | Actor | 1969 - 1970 | 3 | |
| Salinas Surio, Mariluz | Mariluz Salinas Surio | Director | 1969 | 1 | |
| Schermuly, Ralf | Ralf Schermuly | Actor | 1969 - 1980 | 77 | |
| Sadova, Marietta | Marietta Sadova | Director | 1966 - 1969 | 3 | |
| Strachan, Marion | Marion Strachan | Director | 1969 | 1 | |
| Shelton, Sarah | Sarah Shelton | Actor | 1997 | 1 | |
| Schneiderman, Jo | Jo Schneiderman | Actor | 1969 | 1 | |
| Stedronsky, Jim | Jim Stedronsky | Actor | 1969 | 1 | |
| Stewart, Mack | Mack Stewart | Actor | 1969 | 1 | |
| Schlech, Walt | Walt Schlech | Actor | 1969 | 1 | |
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