| 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 | 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 | 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 | |
| Parada, Roberto | Roberto Parada | Actor | 1956 | 1 | |
| Posselt, Roswitha | Roswitha Posselt | Actor | 1956 | 1 | |
| Pérez, Domitila | Domitila Pérez | Actor | 1956 | 1 | |
| Plascencia, Perlita | Perlita Plascencia | Actor | 1956 | 1 | |
| Puebla, Rodrigo, A. | Rodrigo A. Puebla | Actor | 1956 | 1 | |
| Prätorius, Friedrich | Friedrich Prätorius | Designer | 1956 | 1 | |
| Price, Ffrangcon | Ffrangcon Price | Actor | 1956 | 1 | |
| Pitt, Edward | Edward Pitt | Actor | 1956 | 1 | |
| Price, Maureen | Maureen Price | Actor | 1956 | 1 | |
| Poulsen, Ester | Ester Poulsen | Actor | 1956 | 1 | |
| Pääkkönen, Ada | Ada Pääkkönen | Actor | 1956 | 1 | |
| Peussa, Ulla | Ulla Peussa | Actor | 1956 | 1 | |
| Pietarinen, Toimi | Toimi Pietarinen | Actor | 1956 | 1 | |
| Parnitzki, Marianne | Marianne Parnitzki | Dancer | 1956 | 1 | |
| Petran, Peter | Peter Petran | Actor | 1956 | 1 | |
| Popescu, Victor | Victor Popescu | Actor | 1956 | 1 | |
| Pekuysal, Suna | Suna Pekuysal | Actor, Dancer | 1956 | 2 | |
| Posey, Gwendolyn | Gwendolyn Posey | Actor | 1956 | 1 | |
| Pejić, Klara | Klara Pejić | Actor | 1956 | 1 | |
| Philips, Luc | Luc Philips | Actor | 1956 - 1957 | 3 | |
| Pavlova, Mila | Mila Pavlova | Actor | 1956 - 1961 | 2 | |
| Pithey, Wensley | Wensley Pithey | Actor | 1956 - 1961 | 2 | |
| Pokorny, Franz | Franz Pokorny | Actor | 1956 - 1965 | 3 | |
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