| Slíva, Ladislav | Ladislav Slíva | Adaptation, Dramaturg | 1998 - 2002 | 3 | |
| Slocum, Barbara | Barbara Slocum | Actor | 1966 | 1 | |
| Sluis, Leah | Leah Sluis | Actor | 1975 | 1 | |
| Smart, Annie | Annie Smart | Costume Designer, Designer | 1998 - 2004 | 3 | |
| Smått, Hilja | Hilja Smått | Actor | 1922 | 1 | |
| Smigiel, Aureliusz | Aureliusz Smigiel | Director | 2000 | 1 | |
| Smit, Joris | Joris Smit | Actor | 2004 | 1 | |
| Smith, Carmen | Carmen Smith | Actor | 1928 | 2 | |
| Smith, Eve | Eve Smith | Costume Designer | 1999 | 1 | |
| Smith, Hannah | Hannah Smith | Actor | 2004 | 1 | |
| Smith, Jay | Jay Smith | Actor | 2002 | 3 | |
| Smith, Jessica | Jessica Smith | Actor | 2001 | 1 | |
| Smith, John | John Smith | Actor | 1953 | 1 | |
| Smith, LeeAnn | LeeAnn Smith | Actor | 1999 | 1 | |
| Smith, Rob | Rob Smith | Sound Designer | 1993 | 1 | |
| Smith, Vicki | Vicki Smith | Designer | 2002 | 1 | |
| Smolders, Lukas | Lukas Smolders | Actor | 1998 | 32 | |
| Smolik, Anna | Anna Smolik | Actor | 1964 - 1965 | 5 | |
| Smoots, Jonathan | Jonathan Smoots | Actor | 2004 | 1 | |
| Smrčková, Hana | Hana Smrčková | Actor | 1973 | 1 | |
| Smucker, Matthew | Matthew Smucker | Designer | 2003 | 1 | |
| Snellman, Jussi | Jussi Snellman | Actor | 1909 - 1930 | 5 | |
| Snipes, Shane | Shane Snipes | Actor | 2003 | 1 | |
| Snyders, Kyle | Kyle Snyders | Actor | 2003 | 1 | |
| Sobat, Vera | Vera Sobat | Costume Designer | 1984 - 1998 | 3 | |
| Sobiesław, Włodzimierz | Włodzimierz Sobiesław | Actor | 1889 | 1 | |
| Soboltowa, Ewa | Ewa Soboltowa | Costume Designer | 1960 | 1 | |
| Söderberg, Betty | Betty Söderberg | Actor | 1936 - 1954 | 2 | |
| Söderlund, Elzbieta | Elzbieta Söderlund | Choreographer | 1999 | 5 | |
| Söderman, Eva | Eva Söderman | Actor | 1877 - 1889 | 5 | |
| Söderström, Markku | Markku Söderström | Actor | 1979 | 1 | |
| Sofaer, Abraham | Abraham Sofaer | Actor | 1946 | 1 | |
| Söhnel, Eberhard | Eberhard Söhnel | Costume Designer, Designer | 1968 - 1981 | 3 | |
| Söhnel, Monika | Monika Söhnel | Actor | 1975 - 1981 | 3 | |
| Sokołowska, Helena | Helena Sokołowska | Actor | 1954 | 1 | |
| Solbakken, Eva | Eva Solbakken | Actor | 1966 - 1967 | 69 | |
| Solga, Georg | Georg Solga | Actor | 1959 - 1992 | 3 | |
| Solska, Irena | Irena Solska | Actor | 1903 - 1921 | 15 | |
| Somerset, Robert | Robert Somerset | Actor, Director | 1960 - 1961 | 2 | |
| Somerville, Geraldine | Geraldine Somerville | Actor | 1996 | 1 | |
| Sommerfeld, Gernot | Gernot Sommerfeld | Designer | 2002 | 1 | |
| Sommers, Dolly | Dolly Sommers | Actor | 1911 | 2 | |
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