| Sternroy, Vincent, | Vincent Sternroy | Actor | 1894 | 1 | |
| Staveley, W.R., | W. R. Staveley | Actor | 1892 - 1906 | 5 | |
| Slater, Graham | Graham Slater | Lighting Designer | 2004 | 1 | |
| Skryten, Gerd Iren, | Gerd Iren Skryten | Actor | 1995 | 1 | |
| Sgambellone, Barbara, | Barbara Sgambellone | Designer | 1996 | 2 | |
| Sehn, Carla, | Carla Sehn | Actor | 2002 - 2005 | 3 | |
| Steckel, David M. | David M. Steckel | Actor | 2002 | 1 | |
| Strathman, Jennifer | Jennifer Strathman | Actor | 2002 | 1 | |
| Solomon, Naima, | Naima Solomon | Actor | 1983 - 1984 | 2 | |
| Silberstein, Frank, | Frank Silberstein | Designer | 1984 | 1 | |
| Schoppmann, Ruedi | Ruedi Schoppmann | Lighting Designer | 2004 | 1 | |
| St. Clare, Lillian | Lillian St. Clare | Actor | 1983 | 1 | |
| Seiffer, David A. | David A. Seiffer | Director | 1971 | 1 | |
| Schmoll, Gabriela | Gabriela Schmoll | Actor | 1977 | 1 | |
| Smirnov, Edval'd | Edval'd Smirnov | Choreographer | 2005 - 2008 | 5 | |
| Segal, David F. | David F. Segal | Designer, Lighting Designer | 1975 | 2 | |
| Siegel, Aaron | Aaron Siegel | Actor | 2007 | 1 | |
| Schulze, Ruth Eva | Ruth Eva Schulze | Costume Designer | 1954 | 1 | |
| Swanson, Helen Loretta | Helen Loretta Swanson | Actor | 1930 | 1 | |
| Strobel, Frank | Frank Strobel | Actor | 1981 | 1 | |
| Smink, Freark | Freark Smink | Actor | 1986 | 1 | |
| San Martin, Raphael | Raphael San Martin | Actor | 1930 | 1 | |
| Schmiedel, Fritz, | Fritz Schmiedel | Actor | 1937 - 1953 | 5 | |
| Sutton, Christopher | Christopher Sutton | Actor | 1989 | 1 | |
| Springett, Freddie | Freddie Springett | Actor | 1928 | 1 | |
| Schildknecht, Kurt Josef | Kurt Josef Schildknecht | Actor, Director | 1970 - 1979 | 2 | |
| Skarlatou, Tzeni | Tzeni Skarlatou | Actor | 1989 - 2006 | 2 | |
| Sande, Peter | Peter Sande | Lighting Designer | 2006 | 1 | |
| Salmon, Chris | Chris Salmon | Lighting Designer | 1963 | 1 | |
| Sieber, Nadine | Nadine Sieber | Actor | 1992 | 1 | |
| Seffers, Frank | Frank Seffers | Actor | 1992 | 1 | |
| Siegler, Ellery | Ellery Siegler | Actor | 1971 | 1 | |
| Siegler, Ned | Ned Siegler | Actor | 1971 | 1 | |
| Sós, Barna | Barna Sós | Actor | 1962 | 1 | |
| Schneider, H. | H. Schneider | Actor | 1998 | 1 | |
| Schulze, Daniel | Daniel Schulze | Actor | 1995 | 1 | |
| Staal, Erwin | Erwin Staal | Lighting Designer | 2004 - 2005 | 9 | |
| Stephany, Tillie, | Tillie Stephany | Actor | 1882 | 1 | |
| Strawbridge, Stephen | Stephen Strawbridge | Lighting Designer | 1983 - 1991 | 10 | |
| Schertler, Nancy | Nancy Schertler | Lighting Designer | 1990 - 1992 | 2 | |
| Sperry, Adam D., | Adam D. Sperry (Adam D. Sperry) | Sound Designer | 1992 | 1 | |
| Sale, Jim, | Jim Sale | Lighting Designer | 1993 | 1 | |
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