| Pick, Hanns | Hanns Pick | Actor | 1954 | 1 | |
| Pampín, Jesús | Jesús Pampín | Actor | 1954 | 1 | |
| Pellicena, Pedro | Pedro Pellicena (Pedro Pellicena) | Translator | 1954 - 1955 | 2 | |
| Peón, Ignacio | Ignacio Peón | Actor | 1954 - 1956 | 2 | |
| Przybylski, Jerzy | Jerzy Przybylski (Jerzy Przybylski) | Actor | 1954 - 1960 | 2 | |
| Pearson, William | William Pearson | Designer, Director, Lighting Designer | 1954 - 1961 | 3 | |
| Peltzer, Gisela | Gisela Peltzer (Gisela Peltzer) | Actor | 1954 - 1968 | 4 | |
| Para, Józef | Józef Para (Józef Para) | Actor, Director | 1954 - 1969 | 3 | |
| Paetsch, Hans | Hans Paetsch (Hans Paetsch) | Actor | 1954 - 1970 | 3 | |
| Page, Geraldine | Geraldine Page | Actor | 1954 - 1984 | 3 | |
| Palola, Katri | Katri Ingman-Palola | Translator | 1954 - 2008 | 10 | 1 |
| Pimentel, Heleen | Heleen Pimentel (Heleen Pimentel) | Actor | 1955 | 1 | |
| Petřík, J. | J. Petřík (J. Petřík) | Actor | 1955 | 1 | |
| Penninger, Lola | Lola Penninger | Actor | 1955 | 1 | |
| Procházka, Zdenĕk | Zdenĕk Procházka | Actor | 1955 | 1 | |
| Petrová, Marta | Marta Petrová | Actor | 1955 | 1 | |
| Pope, Peggy | Peggy Pope | Actor | 1955 | 1 | |
| Pacheco, José | José Pacheco | Actor | 1955 | 1 | |
| Prince, Frank, C. | Frank C. Prince | Actor | 1955 | 1 | |
| Pfeifer, Ludwig | Ludwig Pfeifer | Actor | 1955 | 1 | |
| Pawlas, Sigrid | Sigrid Pawlas | Actor | 1955 | 1 | |
| Popović, Katarina | Katarina Popović | Actor | 1955 | 1 | |
| Pavlović, Svetislav | Svetislav Pavlović | Actor | 1955 | 1 | |
| Potik, B. | B. Potik | Director | 1955 | 1 | |
| Patterson, Anne | Anne Patterson | Actor | 1955 | 1 | |
| Pīlādzis, Rūdolfs | Rūdolfs Pīlādzis | Designer | 1955 - 1956 | 2 | |
| Procházka, Jiří | Jiří Procházka (Jiří Procházka) | Costume Designer, Designer | 1955 - 1958 | 3 | |
| Paulsen, Arno | Arno Paulsen | Actor | 1955 - 1961 | 3 | |
| Portová, Anna | Anna Portová | Actor | 1955 - 1965 | 2 | |
| Pietsch, Walter | Walter Pietsch | Costume Designer, Designer | 1955 - 1965 | 4 | |
| Portmann, Eva | Eva Portmann | Actor | 1955 - 1966 | 2 | |
| Pircher, Enzia | Enzia Pircher | Actor | 1955 - 1973 | 2 | |
| Prasser, Luise | Luise Prasser | Actor | 1955 - 1979 | 4 | |
| Peng, Du | Du Peng (Du Peng) | Actor | 1956 | 1 | 1 |
| Pušová, Dáša | Dáša Pušová | Actor | 1956 | 1 | |
| Paterno, Franz | Franz Paterno | Designer | 1956 | 1 | |
| Polidori, Gianni | Gianni Polidori | Adaptation, Designer, Dramaturg, Lighting Designer | 1956 | 4 | |
| Parker, Amelia | Amelia Parker | Actor | 1956 | 1 | |
| Paula, Maria | Maria Paula | Actor | 1956 | 1 | |
| Pantazopoulou, Anastasia | Anastasia Pantazopoulou | Actor | 1956 | 1 | |
| Poulsen, Asta, Riis | Asta Riis Poulsen | Actor | 1956 | 1 | |
| Paul, Hans-Dieter | Hans-Dieter Paul | Dancer | 1956 | 1 | |
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