| Charles, Mizi | Mizi Charles | Actor | 1906 | 1 | |
| Callenbach, Adolf | Adolf Callenbach | Actor | 1906 | 1 | |
| Crawford, Alice | Alice Crawford | Actor | 1906 | 1 | 1 |
| Carlton, A. C. | A. C. Carlton | Actor | 1906 | 1 | |
| Claesson, Frk. | Frk. Claesson | Actor | 1906 | 1 | |
| Coelingh-Vorderman, - | - Coelingh-Vorderman | Actor | 1906 | 1 | |
| Crews, Laura Hope | Laura Hope Crews | Actor | 1906 | 1 | 1 |
| Casson, Lewis | Lewis Casson | Actor, Producer | 1905 - 1952 | 3 | |
| Collot, - | - Collot | Actor | 1905 - 1906 | 2 | |
| Carlsen, M. Rust | M. Rust Carlsen | Actor | 1905 - 1906 | 2 | |
| Clodius, Willy | Willy Clodius | Actor | 1905 | 2 | |
| Caßmann, Marie | Marie Caßmann | Actor | 1905 | 2 | |
| Clemens, Elvira | Elvira Clemens | Actor | 1905 | 1 | |
| Claudius, Matthias | Matthias Claudius | Actor | 1905 | 1 | |
| Craig, Owen | Owen Craig | Actor | 1905 | 1 | |
| Curry, Ada | Ada Curry | Actor | 1905 | 1 | |
| Campbell, Maurice | Maurice Campbell | Director | 1905 | 3 | 1 |
| Campbell, Emerin | Emerin Campbell | Actor | 1905 | 1 | |
| Chamier, Francis | Francis Chamier | Actor | 1905 | 1 | |
| Christie, Mr. | Mr. Christie | Actor | 1905 | 1 | |
| Chéron, Louis | Louis Chéron | Actor | 1904 - 1907 | 5 | |
| Christiansen, Helene | Helene Christiansen | Actor | 1904 | 1 | |
| Clark, Grace Gayler | Grace Gayler Clark | Actor | 1904 | 1 | |
| Chandler, Alice | Alice Chandler | Actor | 1904 | 1 | |
| Cristana, I. | I. Cristana | Actor | 1904 | 3 | |
| Colliander, Erland | Erland Colliander | Actor | 1904 | 1 | |
| Chrysafis, Georgios | Georgios Chrysafis | Actor | 1904 | 1 | |
| Czaplińska, Janina (?) | Janina (?) Czaplińska | Actor | 1904 | 1 | |
| Cluxton, Walter | Walter Cluxton | Actor | 1904 | 1 | |
| Czaki, Henryk | Henryk Czaki | Actor | 1903 - 1928 | 11 | |
| Craig, Edward Gordon | Edward Gordon Craig | Costume Designer, Designer, Director, Lighting Designer | 1903 - 1926 | 21 | 1 |
| Carvill, Henry J. | Henry J. Carvill | Actor | 1903 - 1925 | 5 | 1 |
| Creuzburg, Käthe | Käthe Creuzburg | Actor | 1903 - 1909 | 4 | |
| Conradi, - | - Conradi | Composer | 1903 - 1909 | 3 | |
| Ceremużyńska, Sabina | Sabina Ceremużyńska | Actor | 1903 - 1908 | 2 | |
| Carter, Hubert | Hubert Carter | Actor, Producer | 1903 - 1908 | 2 | 1 |
| Chaljutina, C. V. | C. V. Chaljutina | Actor | 1903 - 1906 | 2 | |
| Curry, Rose | Rose Curry | Actor | 1903 - 1904 | 8 | |
| Causse, Sophie | Sophie Causse | Actor | 1903 | 1 | |
| Christiansen, Einar | Einar Christiansen | Director | 1903 | 1 | 1 |
| Christensen, Gyda Martha Kristine | Gyda Martha Kristine Christensen (Gyda Christensen) | Actor, Choreographer | 1902 - 1929 | 21 | 1 |
| Czaplińska, Zofia | Zofia Czaplińska | Actor | 1902 - 1919 | 9 | |
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