| Cusack, Catherine, | Catherine Cusack | Actor | 1996 – 2014 | 2 | |
| Cusack, Sorcha, | Sorcha Cusack | Actor | 1975 – 2000 | 2 | |
| Cygan, Miroslav | Miroslav Cygan | Designer | 1961 | 2 | |
| Czerniakowa, Maria, | Maria Czerniakowa | Actor | 1898 – 1905 | 2 | |
| Collot, -, | - Collot | Actor | 1905 | 2 | |
| Chatterley, Lesley | Lesley Chatterley | Actor | 1986 | 2 | |
| Costigan, James, | James Costigan | Actor, Adaptation | 1959 | 2 | |
| Cogan, Natan | Nathan Cogan (Natan Cogan) | Actor | 1959 | 2 | |
| Cullen, Fedelma | Fedelma Cullen | Actor | 1976 – 1982 | 2 | |
| Corby, Jennifer E., | Jennifer E. Corby (Jennifer E. Corby) | Actor | 1998 – 2000 | 2 | |
| Cornişteanu, Mircea | Mircea Cornişteanu | Director, Sound Designer | 1992 | 2 | |
| Clinton, Dennis | Dennis Clinton | Actor | 1992 | 2 | |
| Christensen, Gudrun, | Gudrun Christensen | Actor | 1901 – 1902 | 2 | |
| Carlsen, M. Rust, | M. Rust Carlsen | Actor | 1905 | 2 | |
| Croasdell, Arthur J., | Arthur J. Croasdell (Arthur J. Croasdell) | Actor | 1922 – 1925 | 2 | |
| Caresio, Dana, | Dana Caresio | Actor | 1996 | 2 | |
| Chilala, Cheela FK | Cheela FK Chilala | Adaptation | 2006 | 2 | |
| Corbin, Barry | Barry Corbin | Actor, Lighting Designer | 1963 | 2 | |
| Crosby, Ronnie Lee | Ronnie Lee Crosby | Actor | 1934 – 1935 | 2 | |
| Clarey, Toby | Toby Clarey | Actor | 1974 – 1978 | 2 | |
| Chun, Yu, | Yu Chun | Actor | 1956 | 2 | 2 |
| Curtis, Patricia | Patricia Curtis | Actor | 1939 – 1968 | 2 | |
| Cooke, Peter | Peter Cooke | Designer | 1979 – 1980 | 2 | |
| Carstens, -, | - Carstens | Actor | 1918 | 2 | |
| Carletti, Luigi | Luigi Carletti | Actor, Director | 1999 | 2 | |
| Czempin, Arnold, | Arnold Czempin | Actor, Director | 1920 | 2 | |
| Chang, Jiyoun | Jiyoun Chang | Designer, Lighting Designer | 2011 – 2012 | 2 | |
| Clark, Patrick | Patrick Clark | Designer | 2011 | 2 | |
| Clodius, Willy, | Willy Clodius | Actor | 1905 – 1906 | 2 | |
| Collazzi, André | André Collazzi | Actor | 2005 – 2006 | 2 | |
| Cabrera, Juarez | Juarez Cabrera | Actor | 1952 | 2 | |
| Crampton, Alex | Alex Crampton | Director | 2010 – 2011 | 2 | |
| Chestnut, Kirsty | Kirsty Chestnut | Sound Designer | 2010 – 2011 | 2 | |
| Chambers, Michael | Michael Chambers | Actor | 1975 | 2 | |
| Christophersen, Harald Edvard, | Harald Edvard Christophersen | Actor | 1870 | 2 | |
| Cabus, Julius, | Julius Cabus | Actor | 1878 | 2 | |
| Consentius, Rudolf Otto, | Rudolf Otto Consentius | Actor | 1878 – 1879 | 2 | |
| Carlsson, Fru, | Fru Carlsson | Actor | 1878 | 2 | |
| Collot, Fr., | Fr. Collot | Actor | 1878 | 2 | |
| Culié, M., | M. Culié | Actor | 1878 | 2 | |
| Cramer, Frk., | Frk. Cramer | Actor | 1888 | 2 | |
| Clous, -, | - Clous | Actor | 1889 | 2 | |
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