| Carter, Emily | Emily Carter | Actor | 1994 | 1 | |
| Considine, Erin K. | Erin K. Considine | Actor | 1994 | 1 | |
| Cowell, Nigel | Nigel Cowell | Designer | 1982 | 1 | |
| Cox, Jeffrey | Jeffrey Cox | Actor | 1994 | 1 | |
| Carhart, David | David Carhart | Musical Director | 1982 | 1 | |
| Cavalcanti, Romero | Romero Cavalcanti | Designer | 1982 | 2 | |
| Chouvardas, Giannis | Giannis Chouvardas | Designer, Director, Lighting Designer | 1994 – 2020 | 5 | |
| Chatzipavlou, Paulos | Paulos Chatzipavlou | Lighting Designer | 1994 | 1 | |
| Cusack, Sinead | Sinead Cusack | Actor | 1982 | 8 | |
| Cantor, Max | Max Cantor | Director | 1982 | 1 | |
| Cuoco, Francisco | Francisco Cuoco | Actor | 1965 | 8 | |
| Cresnik, Herbert | Herbert Cresnik | Actor | 1977 | 7 | |
| Chrul , Irena | Irena Chrul | Costume Designer | 1982 | 1 | |
| Crutcher, Bill | Bill Crutcher | Designer | 1982 | 1 | |
| Chundela, Jaroslav | Jaroslav Chundela | Director | 1982 | 1 | |
| Coleman, Michelle | Michelle Coleman | Actor | 1982 | 1 | |
| Chase, Everett | Everett Chase | Designer | 1982 | 1 | |
| Cramer, Heinz von | Heinz von Cramer | Adaptation, Director | 1994 | 2 | |
| Croll, Gerd | Gerd Croll | Actor | 1967 | 3 | |
| Chernevich, Igor | Igor Chernevich (Игорь Черневич) | Actor | 2013 | 1 | |
| Costa, Marcelo Farias | Marcelo Farias Costa | Actor, Director | 1994 | 2 | |
| Carvalho, Socorro de | Socorro de Carvalho | Actor | 1994 | 1 | |
| Camila, Kátia | Kátia Camila | Actor | 1994 | 1 | |
| Costa, Enrique | Enrique Costa | Actor | 1994 | 1 | |
| Cartagena, Mauro | Mauro Cartagena | Actor | 1994 | 1 | |
| Carmona, Silvia | Silvia Carmona | Actor | 1994 | 1 | |
| Carvalho, Carlos | Carlos Carvalho | Adaptation, Designer, Director, Translator | 1994 | 9 | |
| Condon, Fernando | Fernando Condon | Composer | 1994 | 3 | |
| Cserny, Berta | Berta Cserny | Actor | 1890 | 4 | |
| Cuomo, Douglas J. | Douglas J. Cuomo | Sound Designer | 1994 | 1 | |
| Cortese, Adriano | Adriano Cortese | Actor | 1994 | 1 | |
| Coulette, Yovnne | Yvonne Coulette | Actor | 1945 – 1980 | 2 | |
| Clee, Sara | Sara Clee | Actor | 1980 | 1 | |
| Chambers, Tony | Tony Chambers | Actor | 1980 | 1 | |
| Covell, Jeff | Jeff Covell | Actor | 1980 | 1 | |
| Chydenius, Kaj | Kaj Chydenius | Composer | 1980 | 1 | |
| Corzatte, Clayton | Clayton Corzatte | Actor | 1962 – 2001 | 7 | |
| Crossett, William | William Crossett | Actor | 1980 | 1 | |
| Crow, Laura | Laura Crow | Costume Designer | 1980 – 2001 | 3 | |
| Crabtree, Joel | Joel Crabtree | Actor | 1994 | 1 | |
| Challis, Martin | Martin Challis | Actor | 1994 | 1 | |
| Chan, Simon | Simon Chan | Designer | 1994 | 1 | |
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