| Csiszér, András | András Csiszér | Actor | 1983 | 1 | |
| Cannon, Ezra | Ezra Cannon | Actor | 1987 | 1 | |
| Chourmouziadis, Nikos | Nikos Chourmouziadis | Director | 1988 - 2006 | 7 | |
| Clair, Clara | Clara Clair | Actor | 1889 | 1 | |
| Chalkias, Tasos | Tasos Chalkias | Actor | 1990 | 1 | |
| Chowdhury, Naila, Trannum | Naila Trannum Chowdhury | Actor | 1993 | 1 | |
| Casaje, Lito | Lito Casaje | Designer, Director | 1993 - 2002 | 5 | |
| Carangelo, Carol | Carol Carangelo | Dramaturg | 1983 | 1 | |
| Crass, Cyntia | Cyntia Crass | Actor | 1983 | 1 | |
| Cleven, Gerard | Gerard Cleven | Lighting Designer | 1983 - 2010 | 5 | |
| Cooknell, Jenny | Jenny Cooknell | Designer | 1997 | 1 | |
| Coward, Yvonne | Yvonne Coward | Actor | 1997 | 1 | |
| Cooke, Julia | Julia Cooke | Actor | 1997 | 1 | |
| Clinton, Jennifer | Jennifer Clinton | Costume Designer | 1998 | 1 | |
| Cummings, Carrie | Carrie Cummings | Actor | 1998 | 1 | |
| Cirie, Andrea | Andrea Cirie | Actor | 2000 | 1 | |
| Casablanc, Pedro | Pedro Casablanc | Actor | 2001 | 5 | |
| Casamayor, Lola | Lola Casamayor | Actor | 2001 | 5 | |
| Cummings, Gordon | Gordon Cummings | Director | 2001 | 1 | |
| Chakraborty, Abanti | Abanti Chakraborty | Actor, Adaptation, Designer, Director, Translator | 2006 - 2010 | 53 | |
| Chakraborty, Sumit | Sumit Chakraborty | Lighting Designer | 2006 - 2009 | 11 | |
| Chakraborty, Bibhash | Bibhash Chakraborty | Adaptation | 2006 - 2009 | 11 | |
| Calacione, Marisandra | Marisandra Calacione | Director | 2007 | 1 | |
| Clarke, Gregory | Gregory Clarke | Sound Designer | 2008 | 2 | |
| Chiba, Tetsuya | Tetsuya Chiba | Actor | 2008 | 1 | |
| Cullen, Abby | Abby Cullen | Actor | 2008 | 1 | |
| Craft, Megan | Megan Craft | Actor | 2008 | 1 | |
| Crocker, Caroline | Caroline Crocker | Actor | 2009 | 1 | |
| Chrysomallis, Leonidas | Leonidas Chrysomallis | Actor | 2009 | 1 | |
| Casas, Mari | Mari Casas | Actor | 2009 | 1 | |
| Chiorando, Maria | Maria Chiorando | Director | 2009 | 1 | |
| Chave, Duncan | Duncan Chave | Sound Designer | 2009 | 1 | |
| Conibear, Daisy | Daisy Conibear | Actor | 2009 | 1 | |
| Calvo, Fran | Fran Calvo | Actor | 2009 | 1 | |
| Carré, Xavier | Xavier Carré | Lighting Designer | 2009 - 2010 | 5 | |
| Corey, Matt | Matt Corey | Sound Designer | 2009 | 1 | |
| Courvoisier, Sibylle | Sibylle Courvoisier | Actor | 1976 | 1 | |
| Cadden, Mike | Mike Cadden | Actor | 1972 | 2 | |
| Chapman, Ian | Ian Chapman | Actor | 1972 | 2 | |
| Copeland, Kate | Kate Copeland | Actor | 2009 | 1 | |
| Cozlac, Andrei | Andrei Cozlac | Designer, Producer, Video Designer | 2011 - 2018 | 3 | |
| Cornilă, Ionuţ | Ionuţ Cornilă | Actor | 2014 - 2018 | 6 | |
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