| Skjelfjord, Sidsel, | Sidsel Skjelfjord | Costume Designer | 1990 | 2 | |
| Sklenčka, Ota | Ota Sklenčka | Actor | 1954 | 5 | |
| Skoda, Albin, | Albin Skoda | Actor | 1931 – 1953 | 3 | |
| Skoglund, Sara | Sara Skoglund | Actor | 1983 | 2 | |
| Skoog, Jonah, | Jonah Skoog | Actor | 1984 | 1 | |
| Skouboe, Else | Else Skouboe | Actor | 1933 – 1937 | 4 | |
| Skouen, Synne, | Synne Skouen | Translator | 1973 – 2004 | 43 | |
| Skov, Ingeborg | Ingeborg Skov | Actor | 1926 – 1940 | 7 | |
| Skujeniece, Biruta, | Biruta Skujeniece | Actor | 1910 | 2 | |
| Slaiman, Marjorie | Marjorie Slaiman | Costume Designer | 1990 – 1995 | 9 | |
| Slater, Shirley | Shirley Slater | Actor | 1971 | 2 | |
| Slezak, Walter, | Walter Slezak | Actor | 1937 | 2 | |
| Slíva, Ladislav | Ladislav Slíva | Adaptation, Dramaturg | 1998 | 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 | |
| Smidje, Ulla | Ulla Smidje | Actor | 1947 | 4 | |
| Smigiel, Aureliusz | Aureliusz Smigiel | Director | 2000 – 2002 | 1 | |
| Smit, Joris | Joris Smit | Actor | 2004 | 1 | |
| Smith, Carmen | Carmen Smith | Actor | 1928 | 2 | |
| Smith, Dana, | Dana Smith | Actor | 1988 | 1 | |
| 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, Sherry, | Sherry Smith | Actor | 1989 – 2004 | 4 | |
| Smith, Vicki | Vicki Smith | Designer | 2002 | 1 | |
| Smolders, Lukas | Lukas Smolders | Actor | 1998 | 32 | |
| Smolik, Anna | Anna Smolik | Actor | 1964 | 5 | |
| Smoots, Jonathan | Jonathan Smoots | Actor | 2004 | 1 | |
| Smrčková, Hana | Hana Smrčková | Actor | 1973 | 1 | |
| Smucker, Matthew, | Matthew Smucker | Designer | 2003 | 1 | |
| Snagowski, Xenia | Xenia Snagowski | Actor | 2006 – 2010 | 2 | |
| Snellman, Jussi, | Jussi Snellman | Actor | 1909 | 5 | |
| Snipes, Shane | Shane Snipes | Actor | 2003 | 1 | |
| Snyders, Kyle | Kyle Snyders | Actor | 2003 | 1 | |
| Sobat, Vera | Vera Sobat | Costume Designer | 1984 | 3 | |
| Sobiesław, Włodzimierz | Włodzimierz Sobiesław (Włodzimierz Sobiesław) | Actor | 1889 | 1 | |
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