| Sleight, Curt | Curt Sleight | Designer | 1956 | 1 | |
| Slemer, Bertel, | Bertel Slemer | Actor | 1934 - 1939 | 2 | |
| Sletta, Nils | Nils Sletta | Actor | 1967 - 1973 | 48 | |
| Sletta, Tov, | Tov Sletta | Actor | 2013 | 51 | |
| Slettedal, Johannes, | Johannes Slettedal | Actor | 2006 | 1 | |
| Slettemeås, Hege, | Hege Slettemeås | Actor | 2008 | 1 | |
| Slettemekås, Hege, | Hege Slettemekås | Actor | 2003 - 2004 | 2 | |
| Sletten, Ann-Iren R., | Ann-Iren R. Sletten (Ann-Iren R. Sletten) | Actor | 2004 - 2007 | 8 | |
| Sletten, Bjørn, | Bjørn Sletten | Actor | 2000 | 1 | |
| Sletten, Borgny, | Borgny Sletten | Actor | 2012 | 1 | |
| Sletten, Mari, | Mari Sletten | Actor | 2009 | 1 | |
| Sletto, Eva, | Eva Sletto | Actor | 1948 - 1968 | 12 | |
| Slezáček, Bohumil | Bohumil Slezáček | Actor | 1969 | 1 | |
| Slezáček, Juraj | Juraj Slezáček | Actor | 1983 | 1 | |
| Slezák, V. | V. Slezák | Actor | 1957 | 1 | |
| Slezak, Victor | Victor Slezak | Actor | 1984 | 1 | |
| Slezak, Walter, | Walter Slezak | Actor | 1937 - 1959 | 2 | |
| Slezáková-Miková, Anna | Anna Slezáková-Miková | Actor | 1989 | 1 | |
| Slightam, Colette | Colette Slightam | Actor | 1950 | 1 | |
| Slijepčević, Ilija | Ilija Slijepčević | Actor | 1951 | 1 | |
| Slipper, Sarah | Sarah Slipper | Choreographer, Director | 2018 | 2 | |
| 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 | |
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