| Caimmi, Mr. | Mr. Caimmi | Actor | 1889 - 1895 | 5 | |
| Carrero, Tônia | Tônia Carrero | Actor | 1971 - 1973 | 5 | |
| Campioni, Alfredo | Alfredo Campioni | Actor | 1892 - 1894 | 5 | |
| Czerniak, Stanisław | Stanisław Czerniak | Actor | 1898 - 1908 | 5 | |
| Craig, Edith | Edith Craig | Actor | 1897 - 1903 | 5 | |
| Carvill, Henry J. | Henry J. Carvill | Actor | 1903 - 1925 | 5 | 1 |
| Capellaro, Vittore | Vittore Capellaro | Actor | 1908 - 1909 | 5 | |
| Calmeyer, Thomas | Thomas Calmeyer | Actor | 1992 - 1999 | 5 | |
| Callow, Simon | Simon Callow | Actor | 2001 | 5 | 1 |
| Christensen, Jan Erik | Jan Erik Christensen | Actor | 2002 - 2004 | 5 | |
| Cronvald, Virginia | Virginia Cronvald | Actor | 1924 - 1928 | 5 | |
| Calthrop, G., E. | G. E. Calthrop | Costume Designer, Designer, Director | 1925 - 1929 | 5 | |
| Cumming, Richard | Richard Cumming | Adaptation, Composer, Musical Director | 1974 - 1992 | 5 | |
| Cederlund, Gösta | Gösta Cederlund | Actor | 1918 - 1928 | 5 | 1 |
| Cameron, Donald | Donald Cameron | Actor | 1933 - 1935 | 5 | |
| Caramba, - | - Caramba | Costume Designer | 1928 - 1929 | 5 | |
| Collino, Federico | Federico Collino | Actor | 1928 - 1929 | 5 | |
| Chatzopoulos, Nikos | Nikos Chatzopoulos | Actor | 1989 - 2012 | 5 | |
| Corbetta, Oliviero | Oliviero Corbetta | Actor, Director | 1975 - 2001 | 5 | |
| Chun, Ji | Ji Chun | Musician | 2006 - 2009 | 5 | |
| Chelmi, Katerina | Katerina Chelmi | Actor | 1975 - 1989 | 5 | |
| Christiansen, Rasmus | Rasmus Christiansen | Actor | 1923 - 1960 | 5 | |
| Camera, John | John Camera | Actor | 1981 | 5 | |
| Capron, Richard | Richard Capron | Actor | 1925 - 1926 | 5 | |
| Ciulei, Liviu | Liviu Ciulei | Actor, Designer, Director | 1946 - 1995 | 5 | 1 |
| Christiansen, Rolf | Rolf Christiansen | Costume Designer, Designer | 1947 - 1967 | 5 | |
| Cass, Henry | Henry Cass | Actor, Director, Producer | 1932 - 1936 | 5 | |
| Casaje, Lito | Lito Casaje | Designer, Director | 1993 - 2002 | 5 | |
| Cleven, Gerard | Gerard Cleven | Lighting Designer | 1983 - 2010 | 5 | |
| Casablanc, Pedro | Pedro Casablanc | Actor | 2001 | 5 | |
| Casamayor, Lola | Lola Casamayor | Actor | 2001 | 5 | |
| Carré, Xavier | Xavier Carré | Lighting Designer | 2009 - 2010 | 5 | |
| Císař, Roman | Roman Císař | Adaptation, Dramaturg | 1984 - 1997 | 5 | 1 |
| Corneliussen, Jesper | Jesper Corneliussen | Costume Designer, Designer | 2002 - 2006 | 5 | 1 |
| Chen, LIU | LIU Chen | Translator | 2012 - 2014 | 5 | |
| Camp, Joanne | Joanne Camp | Actor | 1989 - 2008 | 5 | 1 |
| Conroy, Jane | Jane Conroy | Actor | 1990 | 5 | |
| Chouvardas, Giannis | Giannis Chouvardas | Designer, Director, Lighting Designer | 1994 - 2020 | 5 | |
| Coburger, Christoph | Christoph Coburger | Composer | 1995 - 2018 | 5 | |
| Cardy, David | David Cardy | Actor | 1980 | 5 | |
| Chowdhury, Anirban, Roy | Anirban Roy Chowdhury | Actor | 2003 - 2007 | 5 | |
| Crotty, Derbhle | Derbhle Crotty | Actor | 1996 - 1997 | 5 | |
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