| Nastu, Remus | Remus Nastu | Assistant Director | 1955 | 1 | |
| Nelson, Charles | Charles Nelson | Actor | 1955 | 1 | |
| Nilson, Tommy | Tommy Nilson | Actor | 1955 | 3 | |
| Nohrborg, Kaj | Kaj Nohrborg | Actor | 1955 | 4 | |
| Nelson, Helen | Helen Nelson | Actor | 1955 | 1 | |
| Neugaß, Ludwig | Ludwig Neugaß | Actor | 1955 | 1 | |
| Neis, Paul-Dolf | Paul-Dolf Neis | Actor | 1955 | 1 | |
| Nikulin, S. | S. Nikulin | Actor | 1955 | 1 | |
| Næss, Bjørn | Bjørn Næss | Designer | 1955 – 1956 | 16 | |
| Nagai, Michio | Michio Nagai | Actor | 1955 – 1956 | 2 | |
| Nordby, Randi, | Randi Nordby | Actor | 1955 – 2006 | 6 | |
| Nakadai, Tatsuya | Tatsuya Nakadai | Actor | 1955 – 2010 | 20 | |
| Noelte, Rudolf, | Rudolf Noelte | Adaptation, Director, Translator | 1956 | 13 | |
| Nordrum, Lillebil | Lillebil Nordrum | Actor | 1956 | 28 | |
| Nunes, Helena | Helena Nunes | Actor | 1956 | 1 | |
| Neffe, Heinrich | Heinrich Neffe | Costume Designer | 1956 | 1 | |
| Neyman, David | David Neyman | Actor | 1956 | 1 | |
| Nikolic, Zoran | Zoran Nikolic | Actor | 1956 | 1 | |
| Nebel, Dieter | Dieter Nebel | Actor | 1956 | 1 | |
| Navarro, Epigmenio | Epigmenio Navarro | Actor | 1956 | 1 | |
| Neutze, Günther | Günther Neutze | Actor | 1956 | 1 | |
| Naused, Gisela | Gisela Naused | Actor | 1956 | 1 | |
| Norris, James | James Norris | Actor | 1956 | 2 | |
| Niedermoser, Otto | Otto Niedermoser | Designer | 1956 – 1961 | 2 | |
| Naslednikova, Venera | Venera Naslednikova | Costume Designer, Designer | 1956 – 1962 | 4 | |
| Nikolova, Violeta | Violeta Nikolova | Actor | 1956 – 1962 | 1 | |
| Nyrén, William | William Nyrén | Actor | 1956 – 1963 | 621 | |
| Naessens, Jet | Jet Naessens | Actor | 1956 – 1972 | 5 | |
| Navrátil , Bořivoj | Bořivoj Navrátil | Actor | 1956 – 1993 | 7 | |
| Nes, Otto | Otto Nes | Director | 1956 – 2006 | 2 | |
| Nahlik, Ewa | Ewa Nahlik | Designer | 1957 | 1 | |
| Nowak, Jerzy | Jerzy Nowak | Actor | 1957 | 3 | |
| Nowak, Margit | Margit Nowak | Actor | 1957 | 1 | |
| Niwińska, Zofia | Zofia Niwińska | Actor | 1957 | 1 | |
| Narizzano, Silvio | Silvio Narizzano | Director | 1957 | 1 | |
| Nissen, Annegrethe | Annegrethe Nissen | Actor | 1957 | 1 | |
| Neubert, Elsie | Elsie Neubert | Actor | 1957 | 1 | |
| Naparstok, Ester | Ester Naparstok | Choreographer | 1957 | 1 | |
| Nordgreen, Erik | Erik Nordgreen | Designer | 1957 – 1958 | 1 | |
| Nakano, Mitsuo | Mitsuo Nakano | Actor | 1958 | 1 | |
| Nikolova, Zvetana | Zvetana Nikolova | Actor | 1958 | 2 | |
| Northen, Michael | Michael Northen | Lighting Designer | 1958 | 5 | |
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