| Skryten, Gerd Iren | Gerd Iren Skryten (Gerd Iren Skryten) | Actor | 1995 | 1 | |
| Sgambellone, Barbara | Barbara Sgambellone (Barbara Sgambellone) | Designer | 1996 | 2 | |
| Sehn, Carla | Carla Sehn (Carla Sehn) | Actor | 2002 - 2005 | 3 | |
| Steckel, David M. | David M. Steckel (David M. Steckel) | Actor | 2002 | 1 | |
| Strathman, Jennifer | Jennifer Strathman (Jennifer Strathman) | Actor | 2002 | 1 | |
| Solomon, Naima | Naima Solomon (Naima Solomon) | Actor | 1983 - 1984 | 2 | |
| Silberstein, Frank | Frank Silberstein (Frank Silberstein) | Designer | 1984 | 1 | |
| Schoppmann, Ruedi | Ruedi Schoppmann (Ruedi Schoppmann) | Lighting Designer | 2004 | 1 | |
| St. Clare, Lillian | Lillian St. Clare (Lillian St. Clare) | Actor | 1983 | 1 | |
| Seiffer, David A. | David A. Seiffer (David A. Seiffer) | Director | 1971 | 1 | |
| Schmoll, Gabriela | Gabriela Schmoll (Gabriela Schmoll) | Actor | 1977 | 1 | |
| Smirnov, Edval'd | Edval'd Smirnov (Edval'd Smirnov) | Choreographer | 2005 - 2008 | 5 | |
| Segal, David F. | David F. Segal (David F. Segal) | Designer, Lighting Designer | 1975 | 2 | |
| Siegel, Aaron | Aaron Siegel (Aaron Siegel) | Actor | 2007 | 1 | |
| Schulze, Ruth Eva | Ruth Eva Schulze (Ruth Eva Schulze) | Costume Designer | 1954 | 1 | |
| Swanson, Helen Loretta | Helen Loretta Swanson (Helen Loretta Swanson) | Actor | 1930 | 1 | |
| Strobel, Frank | Frank Strobel (Frank Strobel) | Actor | 1981 | 1 | |
| Smink, Freark | Freark Smink (Freark Smink) | Actor | 1986 | 1 | |
| San Martin, Raphael | Raphael San Martin (Raphael San Martin) | Actor | 1930 | 1 | |
| Schmiedel, Fritz | Fritz Schmiedel (Fritz Schmiedel) | Actor | 1937 - 1953 | 5 | |
| Sutton, Christopher | Christopher Sutton (Christopher Sutton) | Actor | 1989 | 1 | |
| Springett, Freddie | Freddie Springett (Freddie Springett) | Actor | 1928 | 1 | |
| Schildknecht, Kurt Josef | Kurt Josef Schildknecht (Kurt Josef Schildknecht) | Actor, Director | 1970 - 1979 | 2 | |
| Skarlatou, Tzeni | Tzeni Skarlatou (Tzeni Skarlatou) | Actor | 1989 - 2006 | 2 | |
| Sande, Peter | Peter Sande (Peter Sande) | Lighting Designer | 2006 | 1 | |
| Salmon, Chris | Chris Salmon (Chris Salmon) | Lighting Designer | 1963 | 1 | |
| Sieber, Nadine | Nadine Sieber (Nadine Sieber) | Actor | 1992 | 1 | |
| Seffers, Frank | Frank Seffers (Frank Seffers) | Actor | 1992 | 1 | |
| Siegler, Ellery | Ellery Siegler (Ellery Siegler) | Actor | 1971 | 1 | |
| Siegler, Ned | Ned Siegler (Ned Siegler) | Actor | 1971 | 1 | |
| Sós, Barna | Barna Sós (Barna Sós) | Actor | 1962 | 1 | |
| Schneider, H. | H. Schneider (H. Schneider) | Actor | 1998 | 1 | |
| Schulze, Daniel | Daniel Schulze (Daniel Schulze) | Actor | 1995 | 1 | |
| Staal, Erwin | Erwin Staal (Erwin Staal) | Lighting Designer | 2004 - 2005 | 9 | |
| Stephany, Tillie | Tillie Stephany (Tillie Stephany) | Actor | 1882 | 1 | |
| Strawbridge, Stephen | Stephen Strawbridge (Stephen Strawbridge) | Lighting Designer | 1983 - 1991 | 10 | |
| Schertler, Nancy | Nancy Schertler (Nancy Schertler) | Lighting Designer | 1990 - 1992 | 2 | |
| Sperry, Adam D. | Adam D. Sperry (Adam D. Sperry) | Sound Designer | 1992 | 1 | |
| Sale, Jim | Jim Sale (Jim Sale) | Lighting Designer | 1993 | 1 | |
| Sheedy, Jamie | Jamie Sheedy (Jamie Sheedy) | Actor | 1993 | 1 | |
| Schlobohm, Eric | Eric Schlobohm (Eric Schlobohm) | Lighting Designer | 1993 | 1 | |
| Sharrock, Thea | Thea Sharrock (Thea Sharrock) | Director | 2003 | 1 | |
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