| Slíva, Ladislav | Ladislav Slíva | Adaptation, Dramaturg | 1998 - 2002 | 3 | |
| Slivnik, Sara | Sara Slivnik | Designer | 2019 | 1 | |
| Sloan, Dennis | Dennis Sloan | Director | 2008 | 1 | |
| Sloan, Julia | Julia Sloan | Actor | 2006 | 1 | |
| Sloan, Tisha | Tisha Sloan | Actor | 2006 | 1 | |
| Sloane, Brianna | Brianna Sloane | Actor | 2002 | 1 | |
| Sloane, Herbert | Herbert Sloane | Actor | 1925 | 1 | |
| Slobo, Marcus | Marcus Slobo | Actor | 2001 | 1 | |
| Slobodinskaja, Ms. | Ms. Slobodinskaja | Actor | 1931 | 1 | |
| Slobodnik, Zdenko | Zdenko Slobodnik | Actor | 2006 | 1 | |
| Slobodyanuk, Stanislav | Stanislav Slobodyanuk | Actor | 2016 | 1 | |
| Slobogian, Marilynn | Marilynn Slobogian | Actor | 2019 | 1 | |
| Slocum, Barbara | Barbara Slocum | Actor | 1966 | 1 | |
| Slocum, Harold W., | Harold W. Slocum (Harold W. Slocum) | Actor | 1905 | 1 | |
| Slocum, Troy | Troy Slocum | Sound Designer | 2006 - 2007 | 2 | |
| Slomska, Nastasia | Nastasia Slomska | Actor | 1999 | 1 | |
| Slomske, Robert | Robert Slomske | Actor | 1940 | 3 | |
| Slon, Sidney | Sidney Slon | Actor | 1934 | 2 | |
| Slone, Barbara | Barbara Slone | Actor | 1978 | 1 | |
| Sloot, Sieger | Sieger Sloot | Actor | 2008 | 19 | |
| Slootskiy, Gary | Gary Slootskiy | Lighting Designer | 2011 - 2012 | 2 | |
| Slorer, Henriette | Henriette Slorer | Dancer | 2006 | 1 | |
| Slott, Mel | Mel Slott | Actor | 1952 | 1 | |
| Slotwilski, Jozef | Jozef Slotwilski | Director | 1978 | 1 | |
| Slováček, Břetislav | Břetislav Slováček | Actor | 1973 | 1 | |
| Slovák, Stano | Stano Slovák | Actor | 2000 | 1 | |
| Slowikowska, Beata, | Beata Slowikowska | Actor | 2000 | 7 | |
| Slucka, Ināra | Ināra Slucka | Actor | 1988 - 2008 | 2 | |
| Sluis, Leah | Leah Sluis | Actor | 1975 | 1 | |
| Sluizer, Karen-Else | Karen-Else Sluizer | Actor | 1990 | 1 | |
| Slukov, Jakub Vojta, | Jakub Vojta Slukov | Actor | 1885 - 1899 | 4 | |
| Slusar, Catharine K. | Catharine K. Slusar | Actor | 1999 | 1 | |
| Sławik, Wiesław | Wiesław Sławik | Actor | 1989 | 1 | |
| Sławińska, Zofia, | Zofia Sławińska | Actor | 1905 | 1 | |
| Słojkowski, Marian | Marian Słojkowski | Actor | 1957 | 1 | |
| Słomiński, Andrzej | Andrzej Słomiński | Actor | 2007 | 4 | |
| Słomiński, Bogdan | Bogdan Słomiński | Actor | 1991 | 1 | |
| Słotwińska, Wiktoria, | Wiktoria Słotwińska | Actor | 1882 | 1 | |
| Słubicka, Stanisława, | Stanisława Słubicka | Actor | 1903 - 1904 | 2 | |
| Smadja, Emilie | Emilie Smadja | Adaptation | 2014 - 2015 | 3 | |
| Smagata, Jim | Jim Smagata | Lighting Designer | 2008 | 1 | |
| Smailes, Paul | Paul Smailes | Lighting Designer | 1991 | 1 | |
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