| Carroll, Patrick | Patrick Carroll | Actor | 1974 | 1 | |
| Cooper, Sarah | Sarah Cooper | Actor | 1974 | 1 | |
| Carrara, Mario | Mario Carrara | Actor | 1974 | 3 | |
| Charvát, Josef | Josef Charvát | Actor | 1974 | 1 | |
| Coufalová, Zdena | Zdena Coufalová | Actor | 1974 | 1 | |
| Caiati, Fernando | Fernando Caiati | Actor | 1974 - 1975 | 6 | |
| Candelli, Stelio | Stelio Candelli | Actor | 1974 - 1976 | 10 | |
| Cederö, Sven | Sven Cederö | Actor | 1974 - 1975 | 2 | |
| Caruana, Joseph | Joseph Caruana | Actor | 1970 | 1 | |
| Cotter, Christine | Christine Cotter | Actor | 1970 | 1 | |
| Cobb, Hugh | Hugh Cobb | Actor | 1970 | 1 | |
| Carter, Leslie | Leslie Carter | Choreographer | 1970 | 1 | |
| Constan, Victoria | Victoria Constan | Actor | 1977 | 1 | |
| Cimická, Dagmar | Dagmar Cimická | Dramaturg, Translator | 1972 | 2 | |
| Clifford, Mignon | Mignon Clifford | Actor | 1912 | 1 | |
| Clutterbuck, Nancy | Nancy Clutterbuck | Actor | 1912 | 1 | |
| Crocker, Henry | Henry Crocker | Actor | 1913 | 1 | |
| Cunningham, Jan | Jan Cunningham | Actor | 1978 | 1 | |
| Carson , Kit | Kit Carson | Actor | 1978 | 1 | |
| Cordan, Ralph | Ralph Cordan | Actor | 1978 | 1 | |
| Cukurs, Guntis | Guntis Cukurs | Designer | 1978 | 1 | |
| Csapó, János | János Csapó | Actor | 1978 - 1983 | 2 | |
| Cuffling, Bernard | Bernard Cuffling | Actor | 1978 - 2002 | 2 | |
| Carlson, Lillian | Lillian Carlson | Actor | 1978 | 1 | |
| Chronopoulou, Kaiti | Kaiti Chronopoulou | Actor | 1973 - 1978 | 4 | |
| Charatsidis, Savvas | Savvas Charatsidis | Costume Designer, Designer | 1978 - 1979 | 8 | |
| Cherashore, Spencer | Spencer Cherashore | Actor | 1979 | 1 | |
| Cohen, james | James Cohen | Actor | 1979 | 1 | |
| Corneck, Ludwig | Ludwig Corneck | Director | 1889 | 1 | |
| Collis, June | June Collis | Actor | 1975 | 3 | |
| Czagell, Erasmus | Erasmus Czagell | Actor | 1892 - 1893 | 2 | |
| Carthy, Ray | Ray Carthy | Actor | 1975 | 1 | |
| Christoph, Rudolf | Rudolf Christoph | Actor | 1975 | 1 | |
| Calm, Hans | Hans Calm | Actor | 1893 - 1894 | 2 | |
| Crawley, Tom | Tom Crawley | Actor | 1964 - 1975 | 3 | |
| Chelmi , Katerina | Katerina Chelmi | Actor | 1975 - 1989 | 5 | |
| Clayton, Peter | Peter Clayton | Lighting Designer | 1975 | 1 | |
| Claps, Louise | Louise Claps | Actor | 1975 | 1 | |
| Colavecchia, Franco | Franco Colavecchia | Designer | 1969 - 1975 | 2 | |
| Cross, Julian | Julian Cross | Actor | 1892 | 1 | |
| Clark, | Ron Clark | Actor | 1979 | 1 | |
| Coleman, Peter Thomas | Peter Thomas Coleman | Actor | 1979 | 1 | |
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