| 1 | Jan | Zabinski | The Zookeeper. Antonina's husband. |
| | Antoni | Erdman | Antonina's father. A Polish railroad engineer. |
| | Antonina | Zabinski | The Zookeeper's wife. Protagonist. |
| | King Jan | Sobieski III | The King who loves to keep exotic animals. |
| | Adam | | The large elk. |
| | Tofi | | Antonina's lynx kittens. |
| | Tufa | | Antonina's lynx kittens. |
| | Ryszard | Zabinski | Antonina and Jan's eldest son. |
| 2 | Adolf | The Kidnapper | The ringleader of the rhesus monkeys. |
| | Martha | | The oldest female rhesus monkey. |
| | Nelly | | Adolf's favorite mate. |
| | Rose | | The giraffe. |
| | Mary | | The African hunting dog. |
| | Sahib | | The petting-zoo colt. |
| | Dr. | Lopatynski | The zoo vet. |
| | Dr. | Rembiszewski | Doctor. Planted electric fence used to jolt deers from crops. |
| | Tuzinka | | Kasia's baby elephant. |
| | Kasia | | The elephant at Warsaw Zoo. Tuzinka's mother. |
| 3 | Magdalena | Gross | A sculptor. |
| | Adolf | Hitler | The leader of the Nazi Party. |
| | Zoska | | Antonina's St. Bernard. |
| | Borsunio | | The baby badger. |
| | Marek | | Rys' friend. |
| | Zbyszek | | Rys' friend. The Gestapo's most wanted. |
| 4 | Jas | | The male elephant. Tuzinka's father. |
| 5 | Mrs. | Caderska | The owner of the lampshade store. |
| 6 | Mayor | Starzynski | The Polish mayor. |
| | Dr. | Muller | Member of the International Association of Zoo Directors. |
| | General | Rommel | The commander of Warsaw's soldiers. |
| | Hans | Frank | Hitler's lawyer. |
| 7 | Casimir | Funk | The Polish biochemist. |
| | Lutz | Heck | Zabinski's
acquaintance at International Association of Zoo Directors. |
| | Ludwig | Heck | Lutz's father. Director of Berlin Zoo. |
| | Heinz | Heck | Director of Munich Zoo. Lutz's son. |
| | Hermann | Goring | The Nazi Reichmarshal. |
| | Joseph | Goebbels | The Nazi propaganda minister. |
| 8 | Nikolai | Przywalski | A Russian explorer. |
| | Eugene | Fisher | Founder of the Institute of Anthropology. Heck's colleague. |
| | Konrad | Lorenz | A Nobel scientist. |
| | Werner | Heisenberg | The physicist. |
| | Karl | Von Frisch | The biologist. |
| 11 | Ernst | Schafer | The naturalist. |
| | Morys | | Jan's piglet. |
| 12 | Governor | Frank | The German governor. |
| | Michael | Mazor | A ghetto survivor. |
| | Norman | Davies | The British-Polish historian. |
| | Sven | Hedin | The Nazi apologist. |
| | Adam | Englert | Jan's friend. |
| | Wanda | Englert | Adam's friend. |
| 13 | Francis | Of Assisi | Patron Saint of Animals. |
| 14 | Ewa | Brzuska | The owner of a tiny grocery. Aka: Babcia. |
| | Emanuel | Ringelblum | Jan's bunker mate. |
| | Orna | Jagur | One of Jan's bunker mates. |
| | Walter | Gropius | The architectural leader. |
| 15 | Danglu | Leist | The German President of Warsaw. |
| | Julian | Kulski | Warsaw's Polish Vice President. |
| | Dr. Syzmon | Tenenbaum | A famous entomologist. |
| | Lonia | Tenenbaum | Syzmon's wife. A dentist. |
| | Eugienia | Sylkes | Zabinski's friend. Aka: Genia. |
| | Rachela | Auerbach | One of Zabinski's friends. |
| | Maria | Aszerowna | The journalist. |
| | Irena | Tenenbaum | Syzmon and Lonia's daughter. |
| | Jacques | Hoffman | The 7th child of Isaac. |
| | Isaac Judah | Eberst | The cantor. |
| | Mr. | Ziegler | Director of the Warsaw Ghetto's labor bureau. |
| | Joseph | Cornwell | The surrealist artist. |
| | Thomas | Eisner | The man who discovered the secret
chem. lab. |
| | Jack | Klajman | The tough Ghetto child who survived the war. |
| | Frankenstein | | The German's major child. |
| | Zarka | | Tenenbaum's dachshund. |
| | Maciej | Rembiszewski | The current Director of Warsaw Zoo. |
| 17 | Didier | Raoult | A French biologist. |
| | Ludwig | Fisher | Warsaw's German Governor. |
| | Abraham J. | Heschel | The writer of Hasidic mysticism. |
| | Avram | Davis | The Hassidic teacher. |
| 18 | Maurycy | H. Gruzinski | Owner of a refugee shelter. |
| | Irena | Sendler | A Polish social worker. |
| | Magdalena | Gross | Antonina's sculptor friend. |
| | Alicja | Kacynzska | Author of Anne Frank. |
| 19 | Bruno | Schulz | Magdalena's friend. A painter and prose writer. |
| | Deborah | Vogel | The Yiddish poet. |
| 20 | Emanuel | Ringelblum | Historian who wrote book while hiding in a Warsaw Bunker. |
| | | | ZOB - Zydowska Organizacja Bojowa. |
| | Henryk | Goldzmit | A pediatrician. Aka: Janus Korzcak, Pan Doctor. |
| | Zi | | Henry's imaginary astronomer friend. |
| 21 | Zegota | | A cryptonym from the council to aid the Jews. |
| | Zofia | Jossak | The woman who founded Zegota. Aka: Weronika. |
| | Wanda | K. Filipowicz | Zofia's co-founder. |
| | Adolf | Berman | A Zionist party member. |
| | Henry | Wolinski | A member in the Polish Bar Association. |
| | Marek | | A member of Youth Sabotage Group. |
| | Dzius | | A member of Youth Sabotage Group. |
| | Fox | Man | Jan's assistant. |
| | Balbina | | Fox Man's female cat. |
| | Wicek | | The rabbit. |
| | Kuba | | The chick. |
| | Szczurcio | | The baby muskrat. |
| | Pietrasia | | Jan and Antonina's housekeeper. |
| | Marceli | L. Lebkowski | A well-known lawyer and activist. |
| | Nunia | | Marceli's daughter. |
| | Ewa | Lebkowski | Marceli's daughter. |
| 22 | Felix | Landau | A Gestapo officer. |
| 23 | Heinrich | Himmler | The reichsfuhrer of the schutzstaffel. |
| | Maurycy P. | Fraenkel | A musician. Aka: Pawel. |
| | Judit | Ringelblum | Emanuel's wife. |
| | Piotr | | Maurycy's hamster. |
| 24 | Jurgen | Stroop | Commander of an SS Brigade. |
| | Vyascheslav | M. Molotov | The foreign minister. |
| | Regina | Kenigswein | The new sable in Zabinski's house. |
| | Samuel | Kenigswein | Regina's husband. |
| | Miecio | Kenigswein | Regina and Samuel's son. |
| | Stefcio | Kenigswein | Regina and Samuel's son. |
| | Stas | Kenigswein | Regina and Samuel's son. |
| | Father | Boduen | The priest who helped the Kenigswein. |
| | Zygmunt | Pietak | Samuel's catholic friend. |
| | Szapse | Rotholc | Samuel's friend. |
| | Mr. | Sable | Regina's father. |
| | Emilia | Hizowa | The architect. |
| | Franciszka | | The sister-in-law of Jan's friend. |
| 25 | Felix | Cywnski | The former career officer. |
| | Dr. Mada | Walter | The woman who opened the Institute De Beaute. |
| | Wladyslaw | Smolski | A Polish author and member of Zegota. |
| | Dr. Andrzej | Trojanowski | A Polish surgeon. |
| | Jerzyk | Topo | The son of the carpenter. |
| | Mrs. | Topo | Jerzyk's mother. |
| 27 | Friedrich | B. Marby | An occultist and anti-nazi. |
| 28 | Mrs. | Dewitzowa | Jan's former workmate. |
| | Janina | Buchholtz | A psychologist. Jan's friend. |
| | Barbara | T. Berman | Janina's colleague and friend. Aka: Basia. |
| | Eva | Hoffman | A Polish émigré. |
| | | | OBW - Ostdeutsche Bauwerkstutte. |
| | Aniela | Dobrucka | Janina's friend. |
| 29 | Arthur | Schopenhauer | A Gdansk-born philosopher. |
| 30 | Howard | Florey | A scientist. |
| | Norman | Heatley | A scientist. |
| | Director | Muller | The director of the Konigsberg Zoo. |
| | Marysia | Gutowski | Jan's cousin. |
| | Nikolaj | Gutowski | Jan's cousin. |
| | Teresa | Zabinski | Antonina and Jan's daughter. |
| 31 | Halina | Dobrowolska | The Home Army messenger. |
| | Feliks | Cywinski | Man who commanded
brigade that included Samuel. |
| | Jacek | Fedorowicz | A Polish satirist. |
| | Sylwester | Braun | A Field reporter. Aka: Kris. |
| 32 | Andrzej | Grabski | The son of the Polish ex-Prime Minister. |
| | Mrs. | Kokot | The local teacher. |
| | Zbyszek | Kokot | Mrs. Kokot's son. |
| | Jedrek | Kokot | Mrs. Kokot's son. |
| 33 | Irena | Nawrocka | Halina's first cousin. |
| 35 | A. Harris | | The unofficial song of Warsaw. |
| | Kazio | Kramsztyk | Roman's cousin. |
| | Ludwinia | Kramsztyk | Roman's cousin. |
| | Roman | Kramsztyk | A renowned painter. |
| | Yaron | Becker | A reporter. |
| | Malka | Drucker | An American Rabbi. |
| | Gay | Block | A photographer. |
| 36 | Henry | Beston | The author of the outermost house. |
| | Julius | Caesar | The former Roman Dictator. |
| | King | Kazimierz IV | The Polish King. |
| | Piotr | Aikhenbaum | A journalist. |
| | Herman | Reichenbach | The man who reviewed Piotr and Jean's book. |
| | Professor | Z | The professor at Pucek of the Bialowieza Nature Preserve. |
| | American | W. Beebe | An American Ornithologist. |
| | Emilia | Hizowa | The inventor of Zegota's push-button sliding walls. |