| Reiter, Emil, | Emil Reiter | Actor, Director | 1900 | 9 | |
| Roche, Gustav, | Gustav Roche | Composer | 1900 | 2 | |
| Rasmussen, Henrik, | Henrik Rasmussen | Actor | 1900 | 1 | |
| Roland, Teodor, | Teodor Roland | Actor | 1900 | 1 | |
| Rolandowa, Helena, | Helena Rolandowa | Actor | 1900 | 1 | |
| Rudnyánszky, Gyula, | Gyula Rudnyánszky | Translator | 1900 | 2 | |
| Rogall, Hugo | Hugo Rogall | Director | 1900 | 2 | |
| Rabitow, Clara | Clara Rabitow | Actor | 1900 | 1 | |
| Rieger, Hans | Hans Rieger | Actor | 1900 | 1 | |
| Richard, Hedwig | Hedwig Richard | Actor | 1900 | 1 | |
| Rothenberg, Hanna, von | Hanna von Rothenberg | Actor | 1900 | 1 | |
| Ruby, Erzsébet | Erzsébet Ruby | Actor | 1900 | 1 | |
| Romanowsky, Arthur, | Arthur Romanowsky | Actor | 1900 - 1901 | 1 | |
| Rehoff, Maria, | Maria Rehoff | Actor | 1900 - 1902 | 123 | |
| Roth, Paul, | Paul Roth | Actor | 1900 - 1910 | 4 | |
| Raabe, Hans, | Hans Raabe | Actor | 1900 - 1915 | 10 | |
| Raevskaja, E. M., | E. M. Raevskaja (E. M. Raevskaja) | Actor | 1900 - 1924 | 7 | |
| Roksanova, M., | M. Roksanova | Actor | 1900 - 1924 | 5 | |
| Réthey, Lajos | Lajos Réthey | Actor | 1900 - 1925 | 3 | |
| Rothé, Clara, | Clara Rothé | Actor | 1901 | 4 | |
| Roty, Paul, | Paul Roty | Actor | 1901 | 1 | |
| Rembe, Otto, | Otto Rembe | Actor | 1901 | 1 | |
| Robèrt, Meta, | Meta Robèrt | Actor | 1901 | 1 | |
| Reucker, Alfred, | Alfred Reucker | Director | 1901 | 3 | |
| Rüttiger, Wilhelm, | Wilhelm Rüttiger | Actor | 1901 | 1 | |
| Riis, -, | - Riis | Composer | 1901 | 1 | |
| Robertson, Constance, | Constance Robertson | Actor | 1901 | 1 | |
| Ruskin, Sybil, | Sybil Ruskin | Actor | 1901 | 1 | |
| Rózsahegyi, -, | - Rózsahegyi | Actor | 1901 | 1 | |
| Raftopoulos, Nikolaos, | Nikolaos Raftopoulos | Actor | 1901 | 1 | |
| Romanos, Marios, | Marios Romanos | Actor | 1901 | 1 | |
| Rothe, Lottie | Lottie Rothe | Actor | 1901 | 2 | |
| Roster, Wilhelm | Wilhelm Roster | Actor | 1901 | 2 | |
| Rosenberg, Anna | Anna Rosenberg | Actor | 1901 | 1 | |
| Rădulescu-Mariu, Alexandru | Alexandru Rădulescu-Mariu | Actor | 1901 | 2 | |
| Raul, Rosa | Rosa Raul | Actor | 1901 | 1 | |
| Roland-Miller, Emil | Emil Roland-Miller | Actor | 1901 | 1 | |
| Retzbach, Arthur | Arthur Retzbach | Actor | 1901 | 1 | |
| Rodakis, Georgios, | Georgios Rodakis | Actor | 1901 - 1903 | 8 | |
| Rothgardt, Pietro, | Pietro Rothgardt | Actor | 1901 - 1910 | 2 | |
| Rudolph, Hermann, | Hermann Rudolph | Actor, Adaptation, Choreography, Director, Dramaturg | 1901 - 1919 | 13 | |
| Ranzenhofer, Adolf, | Adolf Ranzenhofer | Actor | 1902 | 4 | |
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