| Cardozo, Mariana | Mariana Cardozo | Actor | 1997 | 1 | |
| Casamajor, Roger | Roger Casamajor | Actor | 2014 | 1 | |
| Casas, Mar | Mar Casas | Actor | 2014 | 1 | |
| Chitanov, Vassil | Vassil Chitanov | Actor | 2014 | 1 | |
| Chia, Nelson | Nelson Chia | Adaptation, Director, Translator | 2014 | 3 | |
| Chee, Mia | Mia Chee | Actor, Producer | 2014 | 2 | |
| Chou, Hang, Qian | Hang Qian Chou | Actor | 2014 | 3 | |
| Casas, Alberto, Carillo | Alberto Carillo Casas | Actor | 2014 | 1 | |
| Caffall, Alexandra, Kuechler | Alexandra Kuechler Caffall | Director | 2014 | 1 | |
| Camera, Alessandro | Alessandro Camera | Designer | 2013 - 2014 | 4 | |
| Corapi, Giordano | Giordano Corapi | Composer | 2013 - 2014 | 4 | |
| Czakó, Pál | Pál Czakó | Actor | 1921 - 1924 | 3 | |
| Costa, Túlio | Túlio Costa | Designer | 1965 - 1969 | 4 | |
| Correa e Castro, Cláudio | Cláudio Correa e Castro | Actor, Designer, Director, Translator | 1966 - 1969 | 5 | |
| Cabral, Sadi | Sadi Cabral | Actor | 1969 | 2 | |
| Conlon, Declan | Declan Conlon | Actor | 2013 - 2019 | 4 | |
| Comyn , Annabelle | Annabelle Comyn | Director | 2015 | 1 | |
| Chan, Jean | Jean Chan | Designer | 2015 | 1 | |
| Cselle, Lajos | Lajos Cselle | Actor | 1922 - 1925 | 5 | |
| Chigusa, Kaoru | Kaoru Chigusa | Actor | 1997 | 1 | |
| Calvert, Vicky | Vicky Calvert | Actor | 1969 - 1970 | 3 | |
| Castro Leal, Antonio | Antonio Castro Leal | Translator | 1969 | 1 | |
| Crişan, Lia | Lia Crişan | Translator | 1969 | 1 | |
| Ciobotaraşu, Ştefan | Ştefan Ciobotăraşu | Actor | 1969 | 1 | |
| Caragiu, Elena | Elena Caragiu | Actor | 1969 | 1 | |
| Clapp, Gordon | Gordon Clapp | Actor | 1969 - 2017 | 2 | |
| Counsman, Karlene | Karlene Counsman | Actor | 1967 - 1969 | 2 | |
| Cassel, Chris | Chris Cassel | Actor | 1969 | 1 | |
| Charlton, Hilary | Hilary Charlton | Actor | 1969 | 1 | |
| Carlmüller, Hr. | Hr. Carlmüller | Actor | 1879 | 1 | |
| Carlmüller, Fr. | Fr. Carlmüller | Actor | 1879 | 1 | |
| Cook, Lee | Lee Cook | Actor | 1971 | 1 | |
| Crowley, Tim | Tim Crowley | Actor | 1971 | 1 | |
| Cassinelli, Claudio | Claudio Cassinelli | Actor | 1968 | 2 | |
| Cirella, Dan | Dan Cirella | Lighting Designer | 1968 | 1 | |
| Carollo, Sal | Sal Carollo | Actor | 1968 | 1 | |
| Colditz, Rolf | Rolf Colditz | Actor | 1968 | 1 | |
| Christodoulakis, Giorgos | Giorgos Christodoulakis | Actor | 1968 | 9 | |
| Cain, William | William Cain | Actor | 1968 | 1 | |
| Cavazos, Bree | Bree Cavazos | Actor | 1968 | 1 | |
| Christiansen, Ingeborg | Ingeborg Christiansen | Actor | 1968 | 1 | |
| Claxton, Crin | Crin Claxton | Lighting Designer | 2014 | 32 | |
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