| Cullen, Sean | Sean Cullen | Actor | 1998 - 2011 | 3 | 1 |
| Cornelius, Margret | Margret Cornelius | Actor | 1961 | 3 | |
| Cullberg, Birgit | Birgit Cullberg | Adaptation, Choreographer, Director | 1961 | 3 | |
| Chronopoulou, Mairi | Mairi Chronopoulou | Actor | 1961 - 1990 | 3 | |
| Choptiras, Takis | Takis Choptiras | Actor | 1961 - 1990 | 3 | |
| Chatzigiannis, Christos | Christos Chatzigiannis | Actor | 1961 - 1990 | 3 | |
| Cuzinski (Almăgeanu), Verona | Verona Cuzinski (Almăgeanu) | Actor | 1901 - 1910 | 3 | |
| Chasen, Heather | Heather Chasen | Actor | 1958 | 3 | 1 |
| Clegg, Barbara | Barbara Clegg | Actor | 1958 | 3 | 1 |
| Cauwenberg, Willem | Willem Cauwenberg | Actor | 1956 - 1957 | 3 | |
| Cammans, Jan | Jan Cammans | Actor | 1956 - 1957 | 3 | |
| Christopoulou, Kleri | Kleri Christopoulou | Actor | 2013 | 3 | |
| Crowden, Graham | Graham Crowden | Actor | 1954 - 1979 | 3 | 1 |
| Călin, Tudor | Tudor Călin | Actor | 1926 - 1940 | 3 | |
| Corri, Adrienne | Adrienne Corri | Actor | 1962 | 3 | |
| Cooper, Betty | Betty Cooper | Actor | 1930 | 3 | |
| Clarke, Nigel | Nigel Clarke | Actor | 1931 - 1952 | 3 | |
| Cobb, Lee, J. | Lee J. Cobb | Actor | 1932 - 1933 | 3 | |
| Chakraborty, Sarbari | Sarbari Chakraborty | Actor | 1998 - 2006 | 3 | |
| Chattopadhyya, Dipankar | Dipankar Chattopadhyya | Actor | 1998 - 2006 | 3 | |
| Chottopadhyay, Bijoy | Bijoy Chottopadhyay | Lighting Designer | 1998 - 2006 | 3 | |
| Casartelli, Gabrielle | Gabrielle Casartelli | Actor | 1933 - 1936 | 3 | |
| Clements, John | John Clements | Actor, Producer | 1934 - 1957 | 3 | |
| Cepurnieks, Pēteris | Pēteris Cepurnieks | Actor | 1934 - 1943 | 3 | |
| Chalkiopoulos, Ioannis | Ioannis Chalkiopoulos | Actor | 1935 | 3 | |
| Creutznach, Adele | Adele Creutznach | Actor | 1921 - 1922 | 3 | |
| Coleman, Basil | Basil Coleman | Actor, Director | 1945 - 1974 | 3 | 1 |
| Corington, William | William Corington | Actor, Director | 1946 | 3 | |
| Christogiannopoulos, L. | L. Christogiannopoulos | Actor | 1946 - 1947 | 3 | |
| Croft, Paddy | Paddy Croft | Actor | 1948 | 3 | |
| Castro, José | José Castro | Actor | 2000 | 3 | 1 |
| Cooke, Anne, M. | Anne M. Cooke | Director | 1949 | 3 | 1 |
| Conliffe, Jeannette | Jeannette Conliffe | Actor | 1949 | 3 | |
| Cohen, Emma | Emma Cohen | Actor | 1971 | 3 | |
| Caibăr, Oana | Oana Caibăr | Lighting Designer | 2016 | 3 | |
| Constantinescu, Titel | Titel Constantinescu | Adaptation, Director | 1984 - 1989 | 3 | |
| Coveney, Howard | Howard Coveney | Actor | 1908 | 3 | |
| Crabtree, Vernon, O. | Vernon O. Crabtree | Actor | 1908 | 3 | |
| Chatterjee, Soumitra | Soumitra Chatterjee | Actor, Translator | 1989 - 2016 | 3 | |
| Curran, Lee | Lee Curran | Lighting Designer | 2017 - 2020 | 3 | |
| Coram, Giles | Giles Coram | Actor | 2017 | 3 | |
| Conn, Bill | Bill Conn | Actor | 1978 | 3 | |
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