| Crețulescu, Victor | Victor Crețulescu | Costume Designer, Designer | 1979 - 1994 | 4 | |
| Czompa, Francisc | Francisc Czompa | Musical Director | 1974 - 1979 | 2 | |
| Constantinescu, Vasile | Vasile Constantinescu | Actor | 1957 - 1979 | 4 | |
| Colbeck, Robert | Robert Colbeck | Actor | 2013 | 1 | |
| Chavez, Sol | Sol Chavez | Actor | 2013 | 1 | |
| Carter, Bruce | Bruce Carter | Actor | 2013 | 1 | |
| Carey, Grant | Grant Carey | Actor | 2013 | 1 | |
| Carter, Bernadette | Bernadette Carter | Actor | 2013 | 1 | |
| Collins, Kayley Anne | Kayley Anne Collins | Actor | 2013 | 1 | |
| Chlouba, Šimon | Šimon Chlouba | Actor | 2016 | 1 | |
| Cheeseman, Ken | Ken Cheeseman | Actor | 2013 | 1 | |
| Chisum, Jessica | Jessica Chisum | Actor | 2013 | 1 | |
| Chin, Ping-pin | Ping-pin Chin | Costume Designer | 2013 | 1 | |
| Cunningham, Davy | Davy Cunningham | Lighting Designer | 2013 | 1 | |
| Carney, Liam | Liam Carney | Actor | 2013 | 1 | |
| Cash, Steve | Steve Cash | Actor | 2013 | 1 | |
| Cullen, Siobhan | Siobhan Cullen | Actor | 2013 | 1 | |
| Caimi, Daniel | Daniel Caimi | Actor | 2013 | 1 | |
| Crocker, Derwood | Derwood Crocker | Actor | 1959 | 1 | |
| Cardona, Alejandra | Alejandra Cardona | Actor | 2013 | 1 | |
| Clark, John | John Clark | Actor | 1959 | 1 | |
| Chappell, Berna | Berna Chappell | Costume Designer | 1959 | 1 | |
| Casson, Christopher | Christopher Casson | Actor, Director | 1935 - 1959 | 11 | |
| Casson, Kay | Kay Casson | Designer | 1945 - 1959 | 5 | |
| Cowley, John | John Cowley | Actor | 1959 | 1 | |
| Carter, Jimmy | Jimmy Carter | Actor | 1958 | 1 | |
| Clayton, James | James Clayton | Actor | 1958 | 2 | |
| Chaupin, Christophe | Christophe Chaupin | Lighting Designer | 2013 | 1 | |
| Chaudoye, Chloë | Chloë Chaudoye | Actor | 2013 | 1 | |
| Cole, Jens, Demant | Jens Demant Cole | Designer | 2013 | 7 | |
| Cody, Ronald | Ronald Cody | Actor | 1958 | 1 | |
| Cole, Suzanne | Suzanne Cole | Actor | 1958 | 1 | |
| Crawford, Pat | Pat Crawford | Actor | 1958 | 1 | |
| Cumming, Edward | Edward Cumming | Designer | 1958 | 1 | |
| Carpenter, Ailsa | Ailsa Carpenter | Actor | 1958 | 1 | |
| Carlin, John | John Carlin | Actor | 1958 | 1 | |
| Cossins, James | James Cossins | Actor | 1958 | 1 | |
| Cooper, George | George Cooper | Actor | 1958 | 4 | |
| Cropper, Anna | Anna Cropper | Actor | 1958 | 1 | |
| Clothier, Joan | Joan Clothier | Actor | 1958 | 1 | |
| Chaudoir, Hubert | Hubert Chaudoir | Actor | 1958 | 2 | |
| Claußner, Steffan | Steffan Claußner | Composer | 2013 | 1 | |
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