| Cserépy, László | László Cserépy | Actor | 1931 | 4 | |
| Caza, Terrence | Terrence Caza | Actor | 1989 | 6 | |
| Charalampous, Nikos | Nikos Charalampous | Director, Translator | 1989 - 2003 | 3 | |
| Cuijkens, Catherine | Catherine Cuijkens | Costume Designer | 2003 - 2008 | 48 | |
| Chan, Kinsun | Kinsun Chan | Actor, Designer | 2003 - 2016 | 5 | |
| Clements, Marie | Marie Clements | Actor | 2003 | 1 | |
| Cardinal, Kerriann | Kerriann Cardinal | Actor | 2003 | 1 | |
| Croft, Bill | Bill Croft | Actor | 2003 | 1 | |
| Crawley, Marie-Louise | Marie-Louise Crawley | Actor | 2003 | 1 | |
| Cserényi, Adél | Adél Cserényi | Actor | 1941 | 1 | |
| Curtis, Kim | Kim Curtis | Costume Designer | 2003 | 1 | |
| Chandler, Fleur | Fleur Chandler | Actor | 2003 | 1 | |
| Cambridge, Charles | Charles Cambridge | Actor | 2003 | 5 | |
| Chisholm, Paul | Paul Chisholm | Musician | 2003 | 1 | |
| Carlin, Kathleen | Kathleen Carlin | Actor | 2001 | 1 | |
| Cohen, Dianne | Dianne Cohen | Actor | 2001 | 1 | |
| Coffey, Melanie | Melanie Coffey | Costume Designer | 2001 | 1 | |
| Charalampous, Kalia | Kalia Charalampous | Actor | 2003 | 1 | |
| Csongor, I. | I. Csongor | Actor | 1941 | 1 | |
| Caille-Perret, Damien | Damien Caille-Perret | Designer, Puppet Designer | 2003 - 2009 | 23 | |
| Campion, Joyce | Joyce Campion | Actor | 1963 - 1989 | 7 | |
| Cohen, Sander | Sander Cohen | Actor | 2015 | 6 | |
| Carré-Cassaigne, Théodul | Théodul Carré-Cassaigne | Actor | 2003 - 2004 | 5 | |
| Cruse, Beth | Beth Cruse | Actor | 2001 | 1 | |
| Christensson, Christer | Christer Christensson | Composer | 2003 | 4 | |
| Csűrös, Karola | Karola Csűrös | Actor | 1971 - 1975 | 2 | |
| Christodoulidis, Andreas | Andreas Christodoulidis | Lighting Designer | 2003 | 1 | |
| Culjak, Josip | Josip Culjak | Actor | 2003 | 1 | |
| Curran, James | James Curran | Actor | 2003 | 2 | |
| Crossland, Jeanette | Jeanette Crossland | Actor, Mask Maker | 2001 | 3 | |
| Case, Tim | Tim Case | Designer | 2003 | 1 | |
| Chabebe, Antonia | Antonia Chabebe | Actor | 2003 | 1 | |
| Corpataux, Jacqueline | Jacqueline Corpataux | Actor | 2003 - 2004 | 4 | |
| Cho, Yongsou | Yongsou Cho | Actor | 2003 - 2004 | 4 | |
| Couturier, Bathilde | Bathilde Couturier | Lighting Designer | 2003 - 2004 | 4 | |
| Cooper, Ethan | Ethan Cooper | Actor | 2003 | 1 | |
| Coelho, Ana | Ana Coelho | Adaptation | 2015 | 1 | |
| Cachola, João | João Cachola | Actor | 2015 | 1 | |
| Côrte-Real, Teresa | Teresa Côrte-Real | Actor | 2015 | 1 | |
| Czikéli, László | László Czikéli | Actor | 1958 - 1989 | 3 | |
| C. Weldon, Duncan | Duncan C. Weldon | Producer | 1977 - 2003 | 6 | |
| Calindri, Gabriele | Gabriele Calindri | Actor, Director | 2001 - 2014 | 4 | |
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