| Söderling, Anna | Anna Söderling | Actor | 1990 | 1 | |
| Serati, Fabio | Fabio Serati | Designer | 1990 - 2000 | 2 | |
| Schwarz, Tilo | Tilo Schwarz | Lighting Designer | 1990 - 2000 | 2 | |
| Sacher, Josef | Josef Sacher | Actor | 1990 | 1 | |
| Steinberg, Stephanie | Stephanie Steinberg | Dramaturg | 1990 | 1 | |
| Sahlin, Torbjörn | Torbjörn Sahlin | Actor | 1990 | 1 | |
| Stefanucci, Tony | Tony Stefanucci | Costume Designer, Designer | 1991 | 2 | |
| Simoni, Carlo | Carlo Simoni | Actor | 1991 - 2013 | 19 | |
| Stepper, Davyd | Davyd Stepper | Actor | 1990 | 1 | |
| Schwartz, Matt | Matt Schwartz | Actor | 1990 | 1 | |
| Schafer, Yvonne | Yvonne Schafer | Director | 1990 | 1 | |
| Selverstone, Katy | Katy Selverstone | Actor | 1990 | 1 | |
| Smith, Derek D. | Derek D. Smith | Actor | 1990 | 1 | |
| Susser, Harry | Harry Susser | Actor | 1990 | 1 | |
| Swonger, James | James Swonger | Sound Designer | 1990 | 1 | |
| Schneider, Karl | Karl Schneider | Director | 1990 | 1 | |
| Sell, Julia von | Julia von Sell | Actor | 1990 - 2017 | 2 | |
| Strömer, Alexander | Alexander Strömer | Actor | 1990 | 1 | |
| Sevastikoglou, Petros | Petros Sevastikoglou | Director, Translator | 1991 | 2 | |
| Sire, Nicolas | Nicolas Sire | Designer | 1991 | 1 | |
| Schmidt, Christoph | Christoph Schmidt | Actor | 1990 | 1 | |
| Stemberger, Julia | Julia Stemberger | Actor | 1988 | 7 | |
| Seboth, Ronald | Ronald Seboth | Actor | 1988 | 5 | |
| Spitz, Barbara | Barbara Spitz | Actor | 1988 | 6 | |
| Saunders, Ken | Ken Saunders | Actor, Lighting Designer | 1991 | 2 | |
| Smith, Craig | Craig Smith | Actor | 1991 - 1997 | 3 | |
| Sjöholm, Monica | Monica Sjöholm | Actor | 1990 | 2 | |
| Smith, Stephen | Stephen Smith | Actor | 1990 | 2 | |
| Schunnesson, Bo | Bo Schunnesson | Actor | 1990 | 4 | |
| Sahlén, Birgitta | Birgitta Sahlén | Actor | 1990 | 2 | |
| Schwab, Hans-Rüdiger | Hans-Rüdiger Schwab | Dramaturg | 1990 | 1 | |
| Soly, Richard | Richard Soly | Sound Designer | 1990 | 1 | |
| Shoji, Hajime | Hajime Shoji | Actor | 1978 - 1990 | 3 | |
| Shimizu, Toshihiko | Toshihiko Shimizu | Lighting Designer | 1978 - 1990 | 2 | |
| Schoop, Jutta Gütermann | Jutta Gütermann Schoop | Actor | 1990 | 1 | |
| Schoop, Günther | Günther Schoop | Director | 1990 | 1 | |
| Stubenrauch, Max | Max Stubenrauch | Designer | 1990 | 1 | |
| Smith, Douglas, D. | Douglas D. Smith | Designer, Lighting Designer | 1965 - 1990 | 2 | |
| Simmons, Pip | Pip Simmons | Adaptation, Director | 1990 - 1992 | 4 | |
| Szeredás, András | András Szeredás | Dramaturg | 1991 | 1 | |
| Spolarics, Andrea | Andrea Spolarics | Actor | 1991 | 1 | |
| Szentendrei, Angéla | Angéla Szentendrei | Actor | 1991 | 1 | |
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