| Cassinelli, Claudio | Claudio Cassinelli | Actor | 1968 | 2 | |
| Cassini, A. | A. Cassini | Actor | 1891 - 1924 | 37 | |
| Cassirer, Fritz | Fritz Cassirer | Conductor | 1917 | 1 | |
| Caßmann, Edmund | Edmund Caßmann | Director | 1898 | 1 | |
| Caßmann, Marie | Marie Caßmann | Actor | 1905 | 2 | |
| Cassola, Manuela | Manuela Cassola | Actor | 1998 - 2004 | 2 | |
| Casson, Ann | Ann Casson | Actor | 1925 - 1957 | 2 | |
| Casson, Ann | Ann Casson | Actor | 1980 | 1 | |
| Casson, Bronwen | Bronwen Casson | Costume Designer, Designer | 1982 | 2 | |
| Casson, Christopher | Christopher Casson | Actor, Director | 1935 - 1959 | 11 | |
| Casson, Kay | Kay Casson | Designer | 1945 - 1959 | 5 | |
| Casson, Lewis | Lewis Casson | Actor, Producer | 1905 - 1952 | 3 | |
| Casson, Mary | Mary Casson | Actor | 1925 | 1 | |
| Cassvan, Arminiu | Arminiu Cassvan | Musician | 1963 | 1 | |
| Cassvan, Isac | Isac Cassvan | Actor | 1972 | 1 | |
| Cast, Katherine | Katherine Cast | Actor | 1930 | 1 | |
| Castagno, Paul | Paul Castagno | Director | 2018 | 1 | |
| Castaingt, Laurent | Laurent Castaingt | Lighting Designer | 2003 - 2022 | 3 | |
| Castaldi, Francesca | Francesca Castaldi | Lighting Designer, Sound Designer | 2002 | 2 | |
| Castaldini, Anne | Anne Castaldini | Actor | 1958 - 1961 | 2 | |
| Castan, Annabel | Annabel Castan | Actor | 2015 | 1 | |
| Castana, Margarete | Margarete Castana | Actor | 1940 | 1 | |
| Castanheira, Manuel José | Manuel José Castanheira | Designer | 1993 - 2002 | 3 | |
| Castaño, Albert | Albert Castaño | Actor | 2022 | 2 | |
| Castegnaro, Lola | Lola Castegnaro | Composer | 1945 | 1 | |
| Castegren, Hilda | Hilda Castegren | Actor | 1897 | 1 | 1 |
| Castegren, Victor | Victor Castegren | Actor, Director, Playwright | 1886 - 1903 | 16 | 1 |
| Castellan, Magali | Magali Castellan | Costume Designer | 2012 - 2018 | 16 | |
| Castellaneta, Donato | Donato Castellaneta | Actor | 1970 | 1 | |
| Castellano, Anthony | Anthony Castellano | Adaptation, Director | 2010 | 2 | |
| Castellano, Elizabeth | Elizabeth Castellano | Director | 2012 | 1 | |
| Castellano, Marcus Jovany Igland | Marcus Jovany Igland Castellano | Actor, Designer | 2009 | 3 | |
| Castellano, Paul | Paul Castellano | Assistant Director | 2022 | 1 | |
| Castellanos, Julio | Julio Castellanos | Designer | 1944 | 1 | |
| Castellari, Cecilia | Cecilia Castellari | Dancer | 2017 | 1 | |
| Castellat, Jean | Jean Castellat | Designer | 2003 - 2005 | 5 | |
| Castelli, - | - Castelli | Actor | 1900 | 1 | |
| Castelli, Carla | Carla Castelli | Actor | 1976 | 4 | |
| Castellini, Gabrielle | Gabrielle Castellini | Actor | 2002 | 1 | |
| Castellino, Evelyne | Evelyne Castellino | Choreographer | 2004 | 1 | |
| Castellon, Alexandra | Alexandra Castellon | Actor | 2018 - 2019 | 8 | |
| Castellón, Alfredo | Alfredo Castellón | Adaptation, Director | 1974 | 2 | |
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