| Reyno, Osvaldo | Osvaldo Reyno | Designer | 1965 - 1980 | 3 | |
| Richards, Lloyd | Lloyd Richards | Director | 1965 - 1981 | 2 | |
| Rothe, Gustav | Gustav Rothe | Actor | 1965 - 1981 | 2 | |
| Ron, Vojtĕch | Vojtĕch Ron | Actor | 1965 - 1985 | 4 | |
| Richter-Forgach, Thomas | Thomas Richter-Forgach | Costume Designer, Designer | 1965 - 1997 | 5 | |
| Renshaw, Don | Don Renshaw | Actor | 1966 | 1 | |
| Roine, Liisa | Liisa Roine | Actor | 1966 | 1 | |
| Reed, Kjell | Kjell Reed | Sound Designer | 1966 | 1 | |
| Rosica, Thomas, C. | Thomas C. Rosica | Actor | 1966 | 2 | |
| Rogers, Jim | Jim Rogers | Actor | 1966 | 1 | |
| Ramponi, Eugen | Eugen Ramponi | Actor | 1966 | 1 | |
| Ruether, Horst | Horst Ruether | Actor | 1966 | 1 | |
| Ramos, Richard | Richard Ramos | Actor | 1966 | 1 | |
| Reilly, Thomas | Thomas Reilly | Actor | 1966 | 1 | |
| Rasp, Susanne | Susanne Rasp | Actor | 1966 | 1 | |
| Rogers, Phyllis | Phyllis Rogers | Costume Designer | 1966 | 1 | |
| Reid, Margaret | Margaret Reid | Actor | 1966 | 1 | |
| Raines, Michael | Michael Raines | Dancer | 1966 | 2 | |
| Ralph, Patricia | Patricia Ralph | Actor | 1966 | 1 | |
| Ramage, Jack | Jack Ramage | Actor | 1966 | 1 | |
| Riess, Renate | Renate Riess | Designer | 1966 | 1 | |
| Renč, Václav | Václav Renč | Translator | 1966 | 1 | |
| Rugtvedt, Unni | Unni Rugtvedt | Actor | 1966 | 1 | |
| Rundgren, Bengt | Bengt Rundgren | Actor | 1966 | 1 | |
| Raven, Frank | Frank Raven | Costume Designer, Designer | 1966 | 2 | |
| Rollo, Rubens | Rubens Rollo | Actor | 1966 | 1 | |
| Roland, Ise-Maria | Ise-Maria Roland | Actor | 1966 | 2 | |
| Rosen, Charles | Charles Rosen | Designer | 1966 | 1 | |
| Romanos, Michalis | Michalis Romanos | Actor | 1966 | 1 | |
| Radu, Ileana | Ileana Radu | Actor | 1966 | 1 | |
| Recktenwald, Nikolaus | Nikolaus Recktenwald | Actor | 1966 - 1967 | 8 | |
| Richter, Peter | Peter Richter | Actor | 1966 - 1967 | 3 | |
| Rekola, Enni | Enni Rekola | Actor | 1966 - 1967 | 2 | |
| Rittermann, Michael | Michael Rittermann | Actor | 1966 - 1972 | 2 | |
| Rödel, Heinz | Heinz Rödel | Choreographer, Dancer | 1966 - 1977 | 2 | |
| Reiter-Sack, Ebba | Ebba Reiter-Sack | Actor | 1966 - 1977 | 2 | |
| Růžek, Martin | Martin Růžek | Actor | 1966 - 1978 | 2 | |
| Rubinstein, Arthur B. | Arthur B. Rubinstein | Composer | 1966 - 1984 | 3 | |
| Reid, Kate | Kate Reid | Actor | 1966 - 1986 | 3 | |
| Rader, Hannes | Hannes Rader | Costume Designer, Designer | 1966 - 1992 | 5 | |
| Rydeberg, Georg | Georg Rydeberg | Actor | 1966 - 2005 | 2 | |
| Reardon, Daniel | Daniel Reardon | Actor | 1966 - 2013 | 3 | |
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