| Cawley, Barbara | Barbara Cawley | Actor | 1965 | 2 | |
| Callahan, Mary, Therese | Mary Therese Callahan | Actor | 1965 | 2 | |
| Carlin, Chet | Chet Carlin | Actor | 1965 | 2 | |
| Csíky, András | András Csíky | Actor | 1972 - 2004 | 2 | 1 |
| Castaldi, Francesca | Francesca Castaldi | Lighting Designer, Sound Designer | 2002 | 2 | |
| Cruz, Irene | Irene Cruz | Actor | 2002 | 2 | |
| Coseglia, Jared | Jared Coseglia | Sound Designer | 2002 | 2 | |
| Cherniak, Leah | Leah Cherniak | Director | 2002 - 2007 | 2 | |
| Coffin, Gregg | Gregg Coffin | Composer, Sound Designer | 2002 | 2 | |
| Coffey, Julia | Julia Coffey | Actor | 2002 - 2016 | 2 | 1 |
| Condorelli, Noemi | Noemi Condorelli | Actor | 2002 | 2 | |
| Cofalka-Adami, Klaus | Klaus Cofalka-Adami | Actor | 2003 | 2 | 1 |
| Csűrös, Karola | Karola Csűrös | Actor | 1971 - 1975 | 2 | |
| Cotton, Oliver | Oliver Cotton | Actor | 2003 | 2 | 1 |
| Curran, James | James Curran | Actor | 2003 | 2 | |
| Cederhök, Sten-Åke | Sten-Åke Cederhök | Actor | 1989 - 1998 | 2 | 1 |
| Canjavec, Judit | Judit Canjavec | Actor | 1999 | 2 | |
| Curtin, Peter | Peter Curtin | Actor | 1975 - 1977 | 2 | |
| Conway, Denis | Denis Conway | Actor | 2003 - 2013 | 2 | 1 |
| Christofides, Constantin | Constantin Christofides | Composer | 2003 | 2 | |
| Charles, Nicole | Nicole Charles | Actor | 2003 | 2 | |
| Colchester, Miranda | Miranda Colchester | Actor | 2003 | 2 | |
| Cordwell, Claire Louise | Claire Louise Cordwell | Actor | 2003 | 2 | |
| Camitz, Karin | Karin Camitz | Actor | 2003 | 2 | |
| Chiliopoulou, Athina | Athina Chiliopoulou | Actor | 2003 - 2004 | 2 | |
| Cselényi, Nóra | Nóra Cselényi | Costume Designer | 2005 | 2 | |
| Csorba, Tamás | Tamás Csorba | Actor | 2005 | 2 | |
| Cozzubbo, Graham | Graham Cozzubbo | Director | 2003 | 2 | |
| Clavelli, Chris | Chris Clavelli | Actor | 1999 - 2003 | 2 | |
| Cwielag, Peter | Peter Cwielag | Actor | 2004 - 2007 | 2 | |
| Constantino, A.J. | A.J. Constantino | Actor | 2004 | 2 | |
| Cliff, Oliver | Oliver Cliff | Actor | 1976 - 1978 | 2 | |
| Chatterjee, Bikash | Bikash Chatterjee | Actor | 2004 | 2 | |
| Capellino, Nicoletta | Nicoletta Capellino | Actor | 2004 - 2005 | 2 | |
| Castrillo-Ferrer, Alberto | Alberto Castrillo-Ferrer | Director | 2004 | 2 | |
| Costa, Diego | Diego Costa | Designer | 2004 | 2 | |
| Conrick, Michael | Michael Conrick | Actor | 2004 | 2 | |
| Clarke, Justine | Justine Clarke | Actor | 2004 - 2006 | 2 | 1 |
| Crombie, Fiona | Fiona Crombie | Designer | 2004 - 2006 | 2 | 1 |
| Casey, John | John Casey | Actor | 2004 | 2 | |
| Carpenter, Karen | Karen Carpenter | Actor | 2004 - 2021 | 2 | 1 |
| Catton, Dominique | Dominique Catton | Director | 2004 | 2 | |
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