| Copacea, Iulian | Iulian Copacea | Actor | 1967 - 1982 | 2 | |
| Cherry, Ron | Ron Cherry | Actor | 1967 - 1976 | 3 | |
| Clever, Edith | Edith Clever | Actor | 1967 - 1973 | 4 | 1 |
| Cossardt, Jörg | Jörg Cossardt | Actor, Director | 1967 - 1971 | 3 | |
| Counsman, Karlene | Karlene Counsman | Actor | 1967 - 1969 | 2 | |
| Christiansen, Marie | Marie Christiansen | Mask Maker | 1967 | 1 | |
| Cambell, Laura | Laura Cambell | Actor | 1967 | 1 | |
| Castro, Joacir | Joacir Castro | Actor | 1967 | 1 | |
| Campelo, Evandro | Evandro Campelo | Actor | 1967 | 1 | |
| Caldas, Hugo | Hugo Caldas | Actor | 1967 | 1 | |
| Connors, Laurence | Laurence Connors | Actor | 1967 | 1 | |
| Crandell, Susie | Susie Crandell | Actor | 1967 | 1 | |
| Cannan, Denis | Denis Cannan | Adaptation | 1967 | 1 | 1 |
| Castle, John | John Castle | Actor | 1967 | 1 | 1 |
| Camp, Sophronia | Sophronia Camp | Actor | 1967 | 1 | |
| Capodilupo, Tony | Tony Capodilupo | Actor | 1967 | 2 | |
| Coe, Kathy | Kathy Coe | Actor | 1967 | 1 | |
| Campbell, Faith | Faith Campbell | Costume Designer | 1967 | 1 | |
| Chamberlin, Jayne | Jayne Chamberlin | Actor | 1967 | 1 | 1 |
| Catallan, Etienne | Etienne Catallan | Adaptation | 1967 | 1 | |
| Condé, Marie Anne | Marie Anne Condé | Actor | 1967 | 1 | |
| Carlo, Bibi | Bibi Carlo | Actor | 1967 | 1 | |
| Calder-Marshall, Anna | Anna Calder-Marshall | Actor | 1967 | 1 | |
| Cranmer, Sarah | Sarah Cranmer | Actor | 1967 | 2 | |
| Corlan, Anthony | Anthony Corlan | Actor | 1967 | 3 | |
| Chapman, Paul | Paul Chapman | Actor | 1967 | 3 | |
| Coombes, Douglas | Douglas Coombes | Composer | 1967 | 1 | |
| Császár, Angela | Angela Császár | Actor | 1967 | 1 | |
| Candrea-Neleanu, Vivi | Vivi Candrea-Neleanu | Actor | 1967 | 1 | |
| Cosma, Flavia | Flavia Cosma | Director | 1967 | 1 | |
| Conklin, John | John M. Conklin | Costume Designer, Designer | 1966 - 2001 | 14 | 1 |
| Campbell, Gar | Gar Campbell | Actor, Director | 1966 - 1999 | 2 | |
| Conradt, Volker | Volker Conradt | Actor | 1966 - 1992 | 3 | |
| Croiset, Hans | Hans Croiset | Actor, Adaptation, Director | 1966 - 1992 | 6 | 1 |
| Conabere, Sydney | Sydney Conabere | Actor | 1966 - 1975 | 3 | |
| Clennon, David | David Clennon | Actor | 1966 - 1971 | 3 | |
| Claasen, Günter | Günter Claasen | Actor | 1966 - 1971 | 2 | |
| Correa e Castro, Cláudio | Cláudio Correa e Castro | Actor, Designer, Director, Translator | 1966 - 1969 | 5 | |
| Capen, Julie | Julie Capen | Actor | 1966 | 1 | |
| Caton, Warren | Warren Caton | Costume Designer | 1966 | 1 | |
| Carter, Sharron | Sharron Carter | Actor | 1966 | 1 | |
| Corrigan, Mary | Mary Corrigan | Actor | 1966 | 1 | |
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