| Sears, Leslie | Leslie Sears | Stage Manager | 2024 | 1 | |
| Sears, Miriam | Miriam Sears | Actor | 1929 | 3 | |
| Sears, Nancy | Nancy Sears | Actor | 1959 | 1 | |
| Sears, Robert | Robert Sears | Actor | 1956 | 1 | |
| Sears, Teresa | Teresa Sears | Costume Designer | 2007 | 1 | |
| Seary, Bob | Bob Seary | | | | 5 |
| Seatle, Dixie | Dixie Seatle | Actor | 1978 - 2003 | 3 | |
| Seaton, A. Morrice | A. Morrice Seaton | Actor | 1903 | 1 | |
| Seaton, Michelle | Michelle Seaton | Actor | 2001 | 1 | |
| Seay, James | James Seay | Actor | 1936 | 2 | |
| Seay, Marlaina | Marlaina Seay | Designer, Lighting Designer | 2005 | 2 | |
| Seay, R., W. | R. W. Seay | Actor | 1925 | 1 | |
| Sebald, Aljoscha | Aljoscha Sebald | Actor | 1951 - 1967 | 4 | |
| Sebald, Herbert | Herbert Sebald | Actor | 1922 - 1961 | 4 | |
| Sebastian | Sebastian - | Actor | 2003 | 1 | |
| Sebastian | Sebastian - | Composer | 1983 | 1 | |
| Sebastian, Rolf | Rolf Sebastian | Actor | 1953 - 1963 | 3 | |
| Sebastiani, Fabio | Fabio Sebastiani | Actor | 2019 | 1 | |
| Sebastiani, Paola | Paola Sebastiani | Actor | 2011 | 1 | |
| Sebastiani, Sara | Sara Sebastiani | Actor | 2008 - 2011 | 4 | |
| Sebastijan, Hrvoje | Hrvoje Sebastijan | Actor | | 1 | |
| Seberg, Gregor | Gregor Seberg | Actor | 2004 | 1 | 1 |
| Seberg, Jean | Jean Seberg | Actor | 1976 | 1 | |
| Sebestić, A | A Sebestić | Actor | 1923 | 1 | |
| Sebestyén, Géza | Géza Sebestyén | Actor | 1920 | 1 | |
| Sebestyén, Károly | Károly Sebestyén | Translator | 1917 - 1931 | 5 | 1 |
| Sebom, Fillipa Arnstat | Fillipa Arnstat Sebom | Actor | 2024 | 1 | |
| Seboth, Ronald | Ronald Seboth | Actor | 1988 | 5 | |
| Sebrecht, Friedrich | Friedrich Sebrecht | Director | 1923 - 1925 | 3 | |
| Sebring, Betty | Betty Sebring | Actor | 1947 | 1 | |
| Sebris, Karlis | Karlis Sebris | Actor | 1994 | 1 | |
| Sebuev, G. | G. Sebuev | Actor, Director | 1940 | 2 | |
| Secchiaroli, Anna | Anna Secchiaroli | Assistant Director | 2025 | 1 | |
| Seccombe, Mike | Mike Seccombe | Director | 2019 | 1 | |
| Seceleanu, Grigore, Anghel | Grigore Anghel Seceleanu | Actor | 1963 | 1 | |
| Séchehaye, Carine | Carine Séchehaye | Actor | 2004 | 2 | |
| Secher, Julie | Julie Secher | Actor | 1886 | 2 | |
| Séchet, Christophe | Christophe Séchet | Sound Designer | 2007 - 2009 | 20 | |
| Sechi, Naika | Naika Sechi | Assistant Director | 2022 - 2023 | 5 | |
| Sechrest, James | James Sechrest | Actor | 1957 | 1 | |
| Sechrest, Ric | Ric Sechrest | Actor | 2003 | 1 | |
| Seciu, Valeria | Valeria Seciu | Actor | 1965 - 1991 | 5 | |
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