| Chapman, Alan | Alan Chapman | Actor, Lighting Designer | 1973 | 2 | 1 |
| Castro, Andres | Andres Castro | Director | 1979 | 1 | 1 |
| Cropp, Hal | Hal Cropp | Actor, Director | 2005 - 2016 | 38 | 1 |
| Connolly, Michael | Michael Connolly | Actor | 1979 | 1 | 1 |
| Cox, Brian | Brian Cox | Actor, Director | 1967 - 1994 | 8 | 1 |
| Casares, Maria | Maria Casares | Actor | 1943 - 2005 | 8 | 1 |
| Chéreau, Patrice | Patrice Chéreau | Director | 1981 - 2005 | 4 | 1 |
| Croué, Jean | Jean Croué | Actor | 1921 | 1 | 1 |
| Ciulei, Liviu | Liviu Ciulei | Actor, Designer, Director | 1946 - 1995 | 5 | 1 |
| Chmelík, Radúz | Radúz Chmelík | Actor | 1955 - 1972 | 2 | 1 |
| Ciller, Jozef | Jozef Ciller | Designer | 1983 - 1998 | 4 | 1 |
| Csiszár, Imre | Imre Csiszár | Designer, Director | 1983 - 2008 | 4 | 1 |
| Cooper, Maury | Maury Cooper | Actor | 1983 - 2009 | 3 | 1 |
| Ciobanu, Cristina | Cristina Ciobanu | Costume Designer, Designer | 2003 - 2015 | 7 | 1 |
| Caruso, Éric | Éric Caruso | Actor | 2009 - 2013 | 20 | 1 |
| Cerutti, Bénédicte | Bénédicte Cerutti | Actor | 2005 - 2010 | 11 | 1 |
| Champa, Russell, H. | Russell H. Champa | Lighting Designer | 2010 | 1 | 1 |
| Cole, Robert | Robert Cole | Translator | 2010 - 2012 | 2 | 1 |
| Csernik, Árpád | Árpád Csernik | Actor | 2011 | 1 | 1 |
| Císař, Roman | Roman Císař | Adaptation, Dramaturg | 1984 - 1997 | 5 | 1 |
| Creamer, Tom | Tom Creamer | Translator | 1984 | 1 | 1 |
| Cosgrove, Aedín | Aedín Cosgrove | Designer, Lighting Designer | 2012 - 2013 | 4 | 1 |
| Corneliussen, Jesper | Jesper Corneliussen | Costume Designer, Designer | 2002 - 2006 | 5 | 1 |
| Cracknell, Carrie | Carrie Cracknell | Director | 2008 - 2016 | 6 | 1 |
| Chan, Marjorie | Marjorie Chan | Director | 2012 | 1 | 1 |
| Chavez, Frank | Frank Chavez | Costume Designer | 2012 | 1 | 1 |
| Ceresa, Ferruccio De | Ferruccio De Ceresa | Actor | 1977 - 1985 | 6 | 1 |
| Cpin, Marek | Marek Cpin | Costume Designer, Designer | 2008 - 2017 | 23 | 1 |
| Crombie, Peter | Peter Crombie | Actor | 1984 | 2 | 1 |
| Curley, William | William Curley | Designer, Lighting Designer | 1984 | 2 | 1 |
| Christensen, Inger | Inger Christensen | Translator | 1986 - 2009 | 2 | 1 |
| Clew, Richard | Richard Clew | Actor | 1985 | 1 | 1 |
| Capri, Mark | Mark Capri | Actor | 1985 | 1 | 1 |
| Chater, Gordon | Gordon Chater | Actor | 1985 | 1 | 1 |
| Castri, Massimo | Massimo Castri | Adaptation, Director | 1980 - 2018 | 34 | 1 |
| Cornu, Jean-Pierre | Jean-Pierre Cornu | Actor | 1985 - 2002 | 2 | 1 |
| Carlson, Anna | Anna Carlson | Actor | 1987 - 2013 | 2 | 1 |
| Canaris, Volker | Volker Canaris | Adaptation, Dramaturg, Translator | 1984 - 2005 | 8 | 1 |
| Cornell, Jonas | Jonas Cornell | Adaptation, Director | 1984 | 2 | 1 |
| Chong, Wang | Wang Chong | Director, Producer | 2012 - 2016 | 15 | 1 |
| Claypool, Kathleen | Kathleen Claypool | Actor | 1990 | 1 | 1 |
| Channells, Dennis | Dennis Channells | Actor | 2013 | 1 | 1 |
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