| Cusack, Sorcha | Sorcha Cusack | Actor | 1975 - 2000 | 2 | 1 |
| Cusack, Niamh | Niamh Cusack | Actor | 1993 - 2016 | 3 | 1 |
| Clarke-Smith, D.A. | D. A. Clarke-Smith | Actor | 1936 | 4 | 1 |
| Corby, Jennifer E. | Jennifer E. Corby | Actor | 1998 - 2000 | 2 | 1 |
| Cenean, Ştefania | Ştefania Cenean | Costume Designer, Designer | 1997 - 2006 | 5 | 1 |
| Cameron, Beatrice | Beatrice Cameron | Actor | 1889 - 1890 | 4 | 1 |
| Compta, Maria Cinta | Maria Cinta Compta | Actor | 2004 | 1 | 1 |
| Cannon, Richard E. | Richard E. Cannon | Lighting Designer | 2007 | 1 | 1 |
| Chilala, Cheela F.K. | Cheela F.K. Chilala (Cheela FK Chilala) | Adaptation | 2006 - 2010 | 2 | 1 |
| Castorf, Frank | Frank Castorf | Adaptation, Director, Producer | 1985 - 2014 | 8 | 1 |
| Cappiello, Christopher | Christopher Cappiello | Actor, Director | 1994 - 2013 | 5 | 1 |
| Craig, May | May Craig | Actor | 1923 - 1928 | 4 | 1 |
| Coombes, Ross | Ross Coombes | Actor | 1993 | 1 | 1 |
| Clark, Ian D. | Ian D. Clark | Actor | 2004 | 1 | 1 |
| Crippa, Giovanni | Giovanni Crippa | Actor | 2011 | 1 | 1 |
| Crampton, Alex | Alex Crampton | Director | 2010 - 2011 | 2 | 1 |
| Chétouane, Laurent | Laurent Chétouane | Director | 2010 | 1 | 1 |
| Cortes, Emma | Emma Cortes | Actor | 1857 - 1878 | 23 | 1 |
| Conrad, Paula | Paula Conrad | Actor | 1880 - 1930 | 11 | 1 |
| Carlsen, Paula | Paula Carlsen | Actor | 1889 | 1 | 1 |
| Colas, Luce | Luce Colas | Actor | 1890 - 1907 | 7 | 1 |
| Cristofari, Edoardo | Edoardo Cristofari | Actor | 1891 - 1892 | 8 | 1 |
| Calabresi, Oreste | Oreste Calabresi | Actor | 1892 - 1894 | 11 | 1 |
| Camée, Georgette | Georgette Camée | Actor | 1892 - 1897 | 11 | 1 |
| Cuningham, Philip | Philip Cuningham | Actor | 1893 | 2 | 1 |
| Chester, Elsie | Elsie Chester | Actor | 1893 | 1 | 1 |
| Clerget, Paul | Paul Clerget | Actor | 1893 - 1894 | 9 | 1 |
| Carlix, Marguerite | Marguerite Carlix | Actor | 1894 | 6 | 1 |
| Clark, Holman | Holman Clark | Actor | 1894 - 1909 | 7 | 1 |
| Cogé, Renée | Renée Cogé | Actor | 1896 | 1 | 1 |
| Castegren, Hilda | Hilda Castegren | Actor | 1897 | 1 | 1 |
| Christensen, Agnes | Agnes Christensen | Actor | 1897 - 1909 | 11 | 1 |
| Caldwell, Marianne | Marianne Caldwell | Actor | 1897 | 1 | 1 |
| Cabolet, Isis | Isis Cabolet | Actor | 2011 - 2012 | 14 | 1 |
| Christa, Eva | Eva Christa | Actor | 1928 | 1 | 1 |
| Christophersen, Stine | Stine Christophersen | Actor | 1928 | 1 | 1 |
| Carlander, Marta | Marta Carlander | Actor | 1900 | 2 | 1 |
| Craig, Edward Gordon | Edward Gordon Craig | Costume Designer, Designer, Director, Lighting Designer | 1903 - 1926 | 22 | 1 |
| Carter, Hubert | Hubert Carter | Actor, Producer | 1903 - 1908 | 2 | 1 |
| Christiansen, Einar | Einar Christiansen | Director | 1903 | 1 | 1 |
| Carvill, Henry J. | Henry J. Carvill | Actor | 1903 - 1925 | 5 | 1 |
| Campbell, Maurice | Maurice Campbell | Director | 1905 | 3 | 1 |
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