| Csomós, Mari | Mari Csomós | Actor | 2013 | 1 | |
| Christ, Evan | Evan Christ | Musical Director | 2014 | 1 | |
| Canton, AnnaLisa | Anna Lisa Canton | Director | 2014 | 1 | |
| Crossen, Marnie | Marnie Crossen | Actor | 1994 | 1 | |
| Chambers, David | David Chambers | Director, Translator | 1994 | 3 | |
| Courtin, Bruno | Bruno Courtin | Composer | 1994 | 1 | |
| Cox, Laura | Laura Cox | Actor | 1994 | 1 | |
| Christensen, Palle Steen | Palle Steen Christensen | Costume Designer, Designer | 2014 – 2015 | 4 | |
| Christie, Madeleine | Madeleine Christie | Actor | 1982 | 1 | |
| Cucioffo, Michele | Michele Cucioffo | Actor | 2014 – 2016 | 9 | |
| Cowling, Brenda | Brenda Cowling | Actor | 1982 | 1 | |
| Clay, Paul | Paul Clay | Actor | 1982 | 1 | |
| Collis, Richard | Richard Collis | Actor | 1982 | 1 | |
| Cushing, Thomas | Thomas Cushing | Actor | 1982 | 1 | |
| Chiment, Marie Anne | Marie Anne Chiment | Costume Designer, Designer | 1994 – 2009 | 2 | |
| 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 | |
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