| Counil, Émilie | Émilie Counil | Musician | 2012 | 11 | |
| Cassvan, Arminiu | Arminiu Cassvan | Musician | 1963 | 1 | |
| Chihaia, Ovidiu | Ovidiu Chihaia | Musician | 2015 - 2016 | 6 | |
| Christensen, Helge | Helge Christensen | Musician | 2015 - 2016 | 4 | |
| Chung, Soon-Mi | Soon-Mi Chung | Musician | 1990 | 1 | |
| Czulowski, Bernard | Bernard Czulowski | Musician | 1978 | 1 | |
| Curtin, Joe | Joe Curtin | Musician | 1978 | 1 | |
| Christiansen, Einar P. | Einar P. Christiansen | Musician | 1928 | 11 | |
| Climent, Emilio | Emilio Climent | Musician | 2017 - 2020 | 2 | |
| Conzelmann, Hans | Hans Conzelmann | Musician | 1963 | 1 | |
| Chanon Varreau, Mathias | Mathias Chanon Varreau | Musician | 2018 | 1 | |
| Chappuis, Stéphane | Stéphane Chappuis | Musician | 2018 | 3 | |
| Czura, Stefan | Stefan Czura | Musician | 2021 | 1 | |
| Cooper, Nicholas | Nicholas Cooper | Musical Director, Musician | 2009 | 2 | |
| Christ, Evan | Evan Christ | Musical Director | 2014 | 1 | |
| Carhart, David | David Carhart | Musical Director | 1982 | 1 | |
| Charity, Andrew | Andrew Charity | Musical Director | 2006 | 1 | |
| Czompa, Francisc | Francisc Czompa | Musical Director | 1974 - 1979 | 2 | |
| Chelaru, Romeo | Romeo Chelaru | Musical Director | 1979 - 1984 | 2 | |
| Chalvin, Nicolas | Nicolas Chalvin | Musical Director | 2017 | 2 | |
| Chuťková, Lucia | Lucia Chuťková | Musical Director | 2018 | 1 | |
| Chomicer, E. | E. Chomicer | Musical Director | 1962 | 1 | |
| Christiansen, Marie | Marie Christiansen | Mask Maker | 1967 | 1 | |
| Clark, Julie Angela, | Julie Angela Clark | Mask Maker | 2000 - 2015 | 28 | |
| Cordes, Ritta, | Ritta Cordes | Mask Maker | 2002 | 1 | |
| Chaumayrac, Françoise | Françoise Chaumayrac | Mask Maker | 2010 - 2012 | 3 | |
| Cruz, Juan | Juan Cruz | Mask Maker | 1956 - 1991 | 3 | |
| Cofflet, Irmgard | Irmgard Cofflet | Mask Maker | 1980 | 1 | |
| Cailler, Sylvie | Sylvie Cailler | Mask Maker | 2004 - 2005 | 9 | |
| Casas, Ileana | Ileana Casas | Mask Maker | 2006 | 3 | |
| Closs-Farley, Ann | Ann Closs-Farley | Mask Maker | 2006 | 1 | |
| Chakrabarty, Tapan | Tapan Chakrabarty | Mask Maker | 2006 - 2007 | 2 | |
| Cadrin, Vanessa | Vanessa Cadrin | Mask Maker | 2009 | 1 | |
| Cooper, Tara | Tara Cooper | Mask Maker | 2010 | 1 | |
| Cheng, Yueru | Yueru Cheng | Mask Maker | 1983 | 1 | |
| Charels, Tinne | Tinne Charels | Mask Maker | 2000 | 1 | |
| Castaldi, Francesca | Francesca Castaldi | Lighting Designer, Sound Designer | 2002 | 2 | |
| Csáki, Rita | Rita Csáki | Lighting Designer, Sound Designer | 2015 | 2 | |
| Charney, Phillip | Phillip Charney | Lighting Designer | 1993 | 1 | |
| Correia, Jose Olvaro | Jose Olvaro Correia | Lighting Designer | 2007 - 2011 | 8 | |
| Capenhurst, Nigel | Nigel Capenhurst | Lighting Designer | 2002 | 1 | |
| Cutbush, Andrew | Andrew Cutbush | Lighting Designer | 2005 - 2006 | 3 | |
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