Credits: •
Sven Nordin as William Wisting;
Larvik police lead investigator •
Carrie-Anne Moss as Maggie Griffin; FBI Special Agent, seconded to William's team (Seasons 1—3) •
Thea Green Lundberg as Line Wisting: William's daughter,
Verdens Gang journalist • Jonas Strand Gravli/Fredrik Stenberg Ditlev-Simonsen as Thomas Wisting; William's son and Line's twin brother •
Mads Ousdal as Nils Hammer; police senior detective • Lars Berge as Benjamin Fjeld; police detective • Irina Eidsvold Tøien as Andrea Vetti; police chief (Season 1) • Maria Bock as Agnes Kiil; police chief (Season 2—present) • Evelyn Rasmussen Osazuwa as Veronica Rambøl; Agnes's assistant, who joins William's team (Season 2―present) •
Kjersti Sandal as Torunn Borg; William's deputy and temporary lead investigator (Seasons 1—2) •
Mads Sjøgård Pettersen as Tommy Kvanter; Line's ex-boyfriend •
Mariann Hole as Sissel; Nils's wife, a former drug addict • Cato Skimten Storengen as Ruben Borg; Torunn's husband, Atle's father (Seasons 1—3) • Heidi Goldmann as Bjørg Karin; policewoman (Seasons 1—3)
Season 1 •
Richie Campbell as John Bantham: FBI Special Agent, seconded to William's team, has
one-night stand with Line •
Ulrikke Hansen Døvigen as Christine Thiis: police prosecutor •
Gard B. Eidsvold as Frank Robekk: retired police detective, Ellen's uncle •
Fridtjov Såheim as Philip Henden: lawyer; represents Vidar and, later, William • as Vidar Haglund: convicted murderer, released after serving sentence • Daniel Frikstad as Joachim Andresen:
Dagbladet news reporter •
Ellen Dorrit Petersen as Hanne Kaupang: Linnea's over-protective mother •
Thea Sofie Loch Næss as Linnea Kaupang: wannabe model, Internet blogger • Lasse Vermeli as Erik:
VG photographer •
Jon Øigarden as Terje Nordbo: Chief Inspector, Independent Office for Police Conduct; investigates police role in Cecilia's case • Amy Black Ndiaye as Maren: police detective •
Henrik Plau as Fredrik: Line's associate at
VG • Lars Bonnevie Hjort as Morten By:
VG senior investigative journalist • as Knut Frost:
VG editor, Line's boss • as Synnøve Brunvall: Line's school friend •
Kari Onstad Winge as Annie Nyhus: one of Viggo's correspondents •
Nils Jørgen Kaalstad as Magnus Kaupang: Linnea's father, construction worker •
Vidar Sandem as Fred Iversen: Viggo's contemporary, relocated to Denmark • as Finn Haber: former police crime scene investigator • Sigurd Myhre as Danny Flom: photographer, Cecilia's ex-boyfriend •
Ola Otnes as Ole Linge Robert Godwin: American serial killer, posing as Viggo's contemporary • as Cecilia Linde: model, murdered by Vidar • Kirsti Eline Torhaug as Madelen Torell: Swedish woman, Jonas's ex-girlfriend • as Torgeir Roxrud: Jonas's friend • Helene Angell as Isabell: Linnea's school friend • Anders Rogg as Kåre: dockworker, Jonas's former friend • Jakob Fort as Lars Petter Myhre: Linnea's fellow student
Season 2 (2A) / 3 (2B) • as Adrian Stiller:
National Criminal Investigation Service (Kripos) agent; hunts Tom • as Idar Semmelmann: Oslo Vice squad, leads search for "The Other" • as Tom Kerr: convicted killer, assisted by an accomplice ("The Other") • as Claes Thancke ("The Other", Theo Dermann): Tom's lawyer, serial killer • as Nina Gullow: television producer, Line's new boss • as Suzanne Bjerke: asylum centre co-ordinator, Jens' ex-wife, Ingrid's best friend • Sagal Saleh as Hanan: asylum centre resident, Layla's friend • Adam Mamadou Bizokunda as Sammy Kibo: asylum centre resident, ex-
child soldier • as Mona Mellberg: Tom's girlfriend, claims he's innocent • Edvald Bang-Johansen as Atle Borg: Torunn's son • Hedda Styrmoe Silberg as Jeanette: Mona's daughter • as Fredrik Molander: prison guard, Tom's liaison officer • as Floyd Thue: Red Cross worker, visited Tom in prison •
Stig Henrik Hoff as Johannes Norum: father of Tarjei (Tom's victim), welder • as Cato Dalen: neo-Nazi farmer, Tommy's friend • Knut M. Damm as Peder Salomonsen: shopkeeper •
Luke Elliot as Alek Begi: America ex-soldier, deserter, drug and human trafficking mastermind • Marika Vesce as Sunniva: Sissel's daughter, Sissel wants to regain custody • Karine Dybvik as Frida Kvastmo: uniformed policewoman • as Hussain • Louise Tofte Røiri as Melina: Cato's live-in girlfriend • Martin Furulund as Johan Eskedal: farmer,
Islamophobe • Serhat Yildirim as Khaled Athari Noor Alem: former asylum centre resident, Sammy's friend, drug courier, later lives in
Karlstad, Sweden • as Lennart Melander: Karlstad police inspector, liaises with William's team • Eeman Hashmi as Layla Hassimi: 14-year-old asylum centre resident, drug courier, decapitated with her head left on a pole • Herman Karlsen as Marvin: Johan's older son • Haakon Karlsen as Erlend: Johan's younger son
Season 4 (3A) / 5 (3B) •
Rupert Evans as Andrew Greenwood, Clifford's father •
Andrea Bræin Hovig as Mai Greenwood, Clifford's mother •
Svein Sturla Hungnes as Olav Engdahl • Smylie Bradwell as Clifford Greenwood •
Teddie Allen as Charlotte Greenwood • Ellen Bendu as Rebekka Skjevik • Emil Johnsen Vavik as Lukas • Harald Ottesen Nødtvedt as Joakim Backer • Shana Mathai as Rosa Garcia Backer • as Stein Kvammen •
Shelley Conn as Harriet Dunn • Ingjerd Egeberg as Kate Ulstrup • Kristian Repshus as Daniel Momrak • Ada Aure Albæk as Tone Vaterland • Kristian Repshus as Daniel Momrak • Lea Meyer as Agnete Kronborg • William Gundersen as Peder Kronborg • Øyvind Brandtzæg as Terje Kronorg • Kikki Stormo as Mona Kronborg • Jan Sælid as Bjørn Momrak • Arthur Berning as Sivert • Arnt Egil Andreassen as Christian Bohrmann • Aleksander Varadian as Jarle Gulliksen • Pekka Stang as Lennart Hök • Cathrine Frost Andersen as Prison Andersen • Nina Andreassen as Esther Momrak • Olivija Eva Viliüné as Greta Valotka • Arjan Nilsen as Erik Olsen • Arvid Ones as Finn Haber: William's former colleague ('''''': previously portrayed by Helge Sveen) • Even Stormoen as Rune Kolseth • Sebastian DeMots as David Kolseth ==Episodes==