| Pro | Holger | Palmgren | A lawyer. Lisbeth Slander's former guardian. |
| | Agneta | | Lisbeth and Camilla's mother. |
| Pt I | Sten | | Swedish statesman.
Aka:
Sture the Elder. |
| | Ingeborg | Akesdotter | The consort of a Swedish regent. |
| 1 | Lisbeth | Slander | An elusive, talented hacker and math genius. |
| | Alvar | Olsen | Prison warden. |
| | Faria | Kazi | An inmate. |
| | Benito | Andersson | Chief antagonist. Gang leader. |
| | Frans | Balder | Exceptional scientist and mathematician. |
| | Richard | Ekstrom | Chief prosecutor. |
| | Annika | Grannini | Lisbeth's lawyer. |
| | May-Britt | Torell | Secretary, St. Stefan's psychiatric clinic for children. |
| 2 | Vilda | | Olsen's daughter. |
| | Kerstin | | Olsen's aunt. |
| | Beatrice | Andersson | Benito Andersson's real name. |
| | Fred | Strommer | Prison guard. |
| | Rickard | Fager | The Flodberga Prison's governor. |
| | Josefin | | One of Benito's allies. |
| | Tin | Gronlund | One of Benito's allies. |
| 3 | Obinze | | Lisbeth's boxing trainer. |
| | Mikael | Blomkvist | Leading investigative journalist. Aka: Kalle Blomkvist. |
| | Harriet | Linfors | One of Olsen's colleagues. |
| 4 | Ingemar | Eneroth | The head of the national prison service. |
| | Sapo | | A Swedish security police. |
| | Leo | Manheimer | Head of research at Alfred Ogren's Securities. |
| | Peter | May | A Scottish crime writer. |
| | Greta | | One of Benito's allies. |
| | Erika | Berger | Millennium's Editor-in-Chief. |
| | Ivar | Ogren | Alfred's son. Managing director. |
| | Sofie | Melker | Blomkvist's colleague. |
| | Carl | af Trolle | A financier. |
| | Lena | Duncker | Head of the central bank. |
| | Camilla | | Lisbeth's twin sister. |
| | Herman | | Leo's father. |
| | Alfred | Ogren | Herman's friend. |
| | Viveka | Hamilton | Leo's mother. |
| | Malin | Frode | Press secretary of the Foreign Ministry. |
| | Niclas | | Malin's ex-husband. |
| | Linus | | Malin's son. |
| | Per | Falt | The C.F.O. of the Rosvik group. |
| | Carl | Segar | A young psychologist. |
| 5 | Karim | | Faria's father. |
| | Aisha | | Faria's mother. |
| | Hassan | Ferdousi | The imam from Botkyrka. |
| | Ahmed | | Faria's oldest brother. |
| | Bashir | | Ahmed's brother. |
| | Razan | | One of Faria's brother. |
| | Goldman | | A rabbi. |
| | Fatima | | Faria's aunt. |
| | Jamal | Crowdhury | Faria's boyfriend. |
| | Daniel | Brolin | The guitarist. |
| | Lauren | | One of Benito's allies. |
| 6 | Marita | | A caregiver. |
| | Gunner | Ekelof | A Swedish poet. |
| | Lulu | Magoro | Palmgren's close friend. |
| | Johannes | Caldin | Head of St. Stefan's psychiatric clinic. |
| | Peter | Teleborian | A psychiatrist. |
| | Rolf | | Lulu's boyfriend. |
| | Martin | Steinberg | Head department of social work, Stockholm U. |
| | Hilda | von Kanterborg | Associate professor in the faculty of psychology. |
| 7 | Vendela | | Leo's housekeeper. |
| | Ellenor | Hjort | Seger's fiancee. |
| | Karin | Laestander | Chief executive of the Shareholders' Association. |
| 8 | Qamar | Fatali | Faria's second cousin. |
| | Khalil | | Faria's youngest brother. |
| | Babak | | Khalil's best friend. |
| | Julia | Damberg | Leo's ex-girlfriend. |
| | Madeleine | Bard | Leo's fiancee. |
| 9 | Benjamin | Fors | Greitz's loyal friend and assistant. |
| | Rakel | Greitz | Psychoanalyst and associate professor of psychiatry. |
| | Erik | | Rakel's late husband. |
| | Andrei | Zander | Giannini's colleague. |
| | Fredrik | Lodalen | Assoc. professor of biology at Stockholm University. |
| | Stefan | Robertsson | A train driver. |
| | Jan | Bublanski | The chief police inspector. |
| 10 | Farah | Sharif | A professor. Bublanski's fiancee. |
| | Sonja | Modig | One of police inspectors. |
| | Jerker | Holmberg | One of police inspectors. |
| | Curt | Svensson | One of police inspectors. |
| | Amanda | Flod | The youngest among the police inspectors. |
| | Mona | Landen | A senior doctor and orthopaedic specialist. |
| | Jeremy | Mcmillan | A lawyer. |
| 12 | Leonard | Bark | Pseudonym of Hilda von Kanterborg. |
| | Wilmer | Karlsson | Hilda von's father. |
| | Johan F. | Kanterborg | A young lieutenant. |
| | Gertrud | | Steinberg's wife. |
| | Charlotte | | A hairdresser. Hilda's sister. aka: Lotta. |
| 13 | Dan | Brody | Daniel Brolin's American name. |
| | Sten | | A farmer. Daniel's foster father. |
| | Kristina | | Sten's wife. |
| | Kjell | Brander | An announcer from jazz programming. |
| | Django | Reinhardt | One of the best guitarists in the world. |
| | Anne Catrine | Linholm | A social worker. |
| | Roger | Stafford | An American psychoanalyst and psychiatrist. |
| | Anna | | Freud's daughter. |
| | Freud | | An Austrian neurologist. |
| | Rita | Bernard | One of the managers of Stafford'd team. |
| | Joseph | Mengele | Stafford's fellow psychiatrist. |
| 14 | Stephane | Grapelli | A jazz violinist. |
| | Klaus | Ganz | A band member. |
| | Till | Bronner | A trumpeter. |
| | Chet | Harold | A band member. |
| 15 | Fredrika | Nord | Hilda von's registered name at Hotel Forsen. |
| Pt III | Jack | Yufe | Former Israeli Army. |
| | Oskar | Stohr | Former member of Hitler youth. |
| 16 | Anders | | Original name of Leo. |
| | Rosanna | | A fabulous singer. |
| | Kenneth | | Rosanna's husband. |
| | Zalachenko | | Lisbeth and Camilla's father. Aka: Zala. |
| 17 | Hanna | Balder | August's mother. |
| | August | | An autistic boy who witnessed his father's murder. |
| | Harald | Nilsson | Khalil's defense lawyer. |
| | Esbjorn | Falk | Man who helped Benito's escaped from the hospital. |
| 19 | Irene | Nesser | Woman who allowed Salander to assume her identity. |
| | Ed | The Ned | The NSA agent. |
| 20 | Plague | | Salander's friend. |
| | Bengali | | The driver. |
| | Nellie | | A new member of Hacker's Republic. |
| 21 | Helena | Kraft | The chief of Sapo. |
| | Irene | Westervik | An elderly artist who owned an apartment. |
| | Sami | Hamid | One of the police helicopter's pilot. |
| 22 | Stina | | A nurse. |
| | Henrik | Norebring | Stina's husband. |
| 23 | Marie | Denver | A young interior designer. |
| | Bengt | Wallin | One of Stockholm's Business lawyers. |
| 24 | Christer | Tallgren | A financier who shot himself in his apartment. |
| | Ivar | Kreuger | A man who committed suicide. |
| Epi | Britt-Marie | Noren | Palmgren's half-sister. |
| | Dragan | Armansky | Owner of Milton Security Company. |