| Błaszyk, Aleksander | Aleksander Błaszyk | Actor | 1973 | 1 | |
| Blåsternes, Johannes | Johannes Blåsternes | Actor | 2010 - 2017 | 2 | |
| Blåsternes, Johannes | Johannes Blåsternes | Dancer | 2017 | 1 | |
| Blaaser, J.D. | J. D. Blaaser (J.D. Blaaser) | Actor | 1890 | 1 | |
| Blößer, Manfred | Manfred Blößer | Costume Designer, Designer | 1982 - 2010 | 8 | 1 |
| Blöhs, Mr. | Mr. Blöhs | Actor | 1896 | 1 | |
| Blöcker, Mr. | Mr. Blöcker | Actor | 1900 | 1 | |
| Blöchlinger, Elia | Elia Blöchlinger | Actor | 2008 | 3 | |
| Blättler, Seppi | Seppi Blättler | Actor | 2009 | 2 | |
| Blæsterdalen, Ola Erik | Ola Erik Blæsterdalen | Sound Designer | 2009 | 49 | |
| Bläß, Rudolf | Rudolf Bläß | Actor | 1921 | 1 | |
| Blyverket, Inger Lise | Inger Lise Blyverket | Actor | 2012 | 1 | |
| Blythe, Robert | Robert Blythe | Actor | 2000 | 1 | |
| Blythe, Peter | Peter Blythe | Actor | 1996 | 3 | |
| Blythe, Joseph | Joseph Blythe | Actor | 1992 | 1 | |
| Blyth, Benjamin | Benjamin Blyth | Director | 2013 | 1 | 1 |
| Blyth Hill, Victoria | Victoria Blyth Hill | Actor | 1987 | 1 | |
| Blütecher, Alf | Alf Blütecher | Actor, Director | 1908 - 1921 | 12 | |
| Blümner, Rudolf | Rudolf Blümner | Actor, Director | 1905 | 2 | |
| Blümer, Heinz | Heinz Blümer | Actor | 1932 | 1 | |
| Blümeling, Inge | Inge Blümeling | Actor | 1981 | 2 | |
| Blühm, Karl | Karl Blühm | Actor | 1965 | 1 | |
| Bly, Robert | Robert Bly | Adaptation, Translator | 2008 - 2011 | 5 | 1 |
| Bly, Mark | Mark Bly | Dramaturg | 1983 - 2001 | 4 | |
| Bly, Herman | Herman Bly | Actor | 1922 | 1 | |
| Bly, Dan | Dan Bly | Actor | 1962 - 1967 | 2 | |
| Blutrach, Sebastián | Sebastián Blutrach | Producer | 2009 - 2011 | 27 | |
| Blunt, Thomas | Thomas Blunt | Conductor | 2005 - 2006 | 2 | |
| Blunt, Marston | Marston Blunt | Actor | 1934 | 1 | |
| Blunden, Camilla | Camilla Blunden | Actor | 2007 | 1 | |
| Blundell, Jane | Jane Blundell | Designer | 2001 | 1 | |
| Blundell, Debra | Debra Blundell | Actor | 2003 | 1 | |
| Blunck, Marie | Marie Blunck | Designer | 2002 | 1 | |
| Blumreiter, Georg | Georg Blumreiter | Actor | 1999 | 1 | |
| Blumhagen, Lothar | Lothar Blumhagen | Actor | 1973 | 1 | |
| Blumer, Hanspeter | Hanspeter Blumer | Actor | 1976 | 2 | |
| Blumentrath, Eva-Maria | Eva-Maria Blumentrath | Actor | 2005 - 2010 | 6 | |
| Blumenthal, Oskar | Oskar Blumenthal | Director | 1894 | 1 | 2 |
| Blumenthal, Michael | Michael Blumenthal | Director | 1998 - 2010 | 18 | |
| Blumenthal, Julie | Julie Blumenthal | Lighting Designer | 2001 | 1 | |
| Blumenthal, Fernando | Fernando Blumenthal | Actor | 1999 | 5 | |
| Blumensaadt, Norman | Norman Blumensaadt | Director | 2016 - 2019 | 2 | |
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