| 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 | |
| Chivot, Léonard | Léonard Chivot | Actor | 2018 | 3 | |
| Claesen, Frk. | Frk. Claesen | Actor | 1884 | 3 | |
| Condon, Pat | Pat Condon | Actor | 1969 | 3 | |
| Cayo, Bosco | Bosco Cayo | Dramaturg | 2014 - 2020 | 3 | |
| Catarineu, Roberto | Roberto Catarineu | Actor | 1994 | 3 | |
| Chudoleev, Ivan. | Ivan Chudoleev (Hudoleev) | Actor, Director | 1907 - 1911 | 3 | |
| Coruzzi, Paolo | Paolo Coruzzi | Actor, Composer, Director | 2008 | 3 | |
| Cotterill, Philip | Philip Cotterill | Actor | 2020 | 3 | |
| Cahn, Kamran | Kamran Cahn | Actor, Director, Producer | 2007 | 3 | |
| Cherpillod, Lorianne | Lorianne Cherpillod | Actor | 2018 | 3 | |
| Chappuis, Stéphane | Stéphane Chappuis | Musician | 2018 | 3 | |
| Crevenna, Alfredo B | Alfredo B. Crevenna (Alfredo B Crevenna) | Adaptation, Director | 1954 - 1956 | 4 | |
| Coulter, Clare | Clare Coulter | Actor | 1972 - 2006 | 4 | |
| Cardamone, Steve | Steve Cardamone | Actor, Director | 2001 - 2006 | 4 | |
| Carlson, Marvin, A. | Marvin A. Carlson | Adaptation, Director | 1964 - 1984 | 4 | |
| Cartéus, Rut, | Rut Cartéus | Actor | 1969 - 2014 | 4 | |
| Casimiro, António, | António Casimiro | Designer | 1972 - 2007 | 4 | |
| Castledine, Annie, | Annie Castledine | Director | 1994 - 1999 | 4 | |
| Castro, Alfredo | Alfredo Castro | Actor, Adaptation, Director | 1980 - 2011 | 4 | |
| Chandra, Richa, | Richa Chandra | Actor, Choreographer | 2006 | 4 | |
| Chao, Mani, | Mani Chao | Actor | 2006 - 2012 | 4 | |
| Ching, Donald, | Donald Ching | Adaptation, Director | 2006 | 4 | |
| Claesson, Gosta | Gosta Claesson | Costume Designer, Designer | 1986 | 4 | |
| Clever, Edith | Edith Clever | Actor | 1967 - 1973 | 4 | |
| Colciaghi, Ebe, | Ebe Colciaghi | Costume Designer | 1949 - 1956 | 4 | |
| Coppenger, Royston | Royston Coppenger | Adaptation, Dramaturg | 1983 - 2010 | 4 | |
| Cordier, Robert | Robert Cordier | Adaptation, Director | 1986 | 4 | |
| Cronin, Lauren | Lauren Cronin | Actor, Costume Designer | 2001 | 4 | |
| Clarke-Smith, D.A. | D. A. Clarke-Smith (D.A. Clarke-Smith) | Actor | 1936 | 4 | |
| Calin, Angela Balogh | Angela Balogh Calin | Costume Designer, Designer | 1995 - 2009 | 4 | |
| Cameron, Beatrice, | Beatrice Cameron | Actor | 1889 - 1890 | 4 | |
| Custodio, Killian | Killian Custodio | Actor | 1997 | 4 | |
| Cammuccio, Dino | Dino Cammuccio | Actor, Dramaturg | 1955 - 1956 | 4 | |
| Craig, May, | May Craig | Actor | 1923 - 1928 | 4 | |
| Creter, Mark Harry | Mark Harry Creter | Designer, Director, Lighting Designer, Sound Designer | 2006 | 4 | |
| Cameron, John | John Cameron | Actor | 1946 - 1981 | 4 | |
| Cavally, Frk., | Frk. Cavally | Actor | 1906 - 1910 | 4 | |
| Capuchinqui, Diceu | Diceu Capuchinqui | Lighting Designer | 1988 - 1989 | 4 | |
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