| Seifer, Hugo, | Hugo Seifer | Actor | 1905 | 1 | |
| Seifer, Stefan, | Stefan Seifer | Lighting Designer | 1932 | 1 | |
| Seifert , Andreas | Andreas Seifert | Actor | 1992 | 1 | |
| Seifert, Barbara | Barbara Seifert | Actor | 2000 | 1 | |
| Seifert, Carl | Carl Seifert | Actor | 1919 | 1 | |
| Seifert, Cathérine | Cathérine Seifert | Actor | 2004 - 2010 | 25 | |
| Seifert, Heiderose | Heiderose Seifert | Actor | 1969 | 1 | |
| Seifert, Helene, | Helene Seifert | Actor | 1940 | 1 | |
| Seifert, Jakub, | Jakub Seifert | Director | 1897 - 1899 | 2 | |
| Seifert, Jörn | Jörn Seifert | Actor | 1956 | 1 | |
| Seifert, Luverne | Luverne Seifert | Actor, Director | 2019 | 2 | |
| Seifert, p., | p. Seifert | Actor | 1878 | 1 | |
| Seifert, Veronika | Veronika Seifert | Costume Designer | 2001 - 2004 | 5 | |
| Seiferth, Pia | Pia Seiferth | Actor | 2017 - 2018 | 5 | |
| Seifertová, -, | - Seifertová | Actor | 1885 | 1 | |
| Seiffer, David A. | David A. Seiffer | Director | 1971 | 1 | |
| Seiffert, Hanna | Hanna Seiffert | Actor | 1978 - 2003 | 7 | |
| Seifi, Mohaddeseh | Mohaddeseh Seifi | Actor | 2019 | 1 | |
| Seigler, F. M., | F. M. Seigler (F. M. Seigler) | Actor | 1909 | 2 | |
| Seigner, Emmanuelle | Emmanuelle Seigner | Actor | 2003 | 1 | |
| Seikkula, Ilkka | Ilkka Seikkula | Actor | 1995 | 1 | |
| Seiler , Walter | Walter Seiler | Actor | 1985 | 4 | |
| Seiler, Christoph-Wolfgang | Christoph-Wolfgang Seiler | Actor | 1956 | 1 | |
| Seiler, Denys | Denys Seiler | Director | 1980 | 1 | |
| Seiler, Edwin, | Edwin Seiler | Designer | 1945 - 1953 | 2 | |
| Seiler, Frank | Frank Seiler | Designer | 1998 | 1 | |
| Seiler, Jacques | Jacques Seiler | Actor | 1958 | 2 | |
| Seiler, Jeannette | Jeannette Seiler | Costume Designer | 1998 | 1 | |
| Seiler, Karl, | Karl Seiler | Actor | 1932 | 1 | |
| Seiler, Nicole | Nicole Seiler | Choreographer | 1998 | 2 | |
| Seiler, Rebecca | Rebecca Seiler | Actor | 2006 | 1 | |
| Seiler, Roland | Roland Seiler | Actor | 1977 | 1 | |
| Seiler, Rudolf, | Rudolf Seiler | Actor | 1938 | 1 | |
| Seilern, Johannes | Johannes Seilern | Actor | 2005 | 1 | |
| Seilinos, Vangelis | Vangelis Seilinos | Actor, Choreographer | 1967 - 1968 | 7 | |
| Seilitz, Mona | Mona Seilitz | Actor | 1989 - 1998 | 2 | |
| Seiltgen, Ernst | Ernst Seiltgen | Director | 1985 | 1 | |
| Seim, Kjell | Kjell Seim | Musical Director | 1993 | 1 | |
| Seim, Trond Espen, | Trond Espen Seim | Actor | 2000 - 2020 | 11 | |
| Seïmenis, Vasilis | Vasilis Seïmenis | Actor | 1989 | 2 | |
| Seip, Didrik, Arup | Didrik Arup Seip | | | | 1 |
| Seip, Kalle | Kalle Seip | Musician | 1983 | 1 | |
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