Season 1 An Irish-Canadian co-production,
Vikings was developed and produced by Octagon Films and Take 5 Productions. Michael Hirst, Morgan O'Sullivan, John Weber, Sherry Marsh, Alan Gasmer, James Flynn and Sheila Hockin are credited as
executive producers. The series began filming in July 2012 at Ashford Studios in Ireland, which at the time was a newly built facility. Seventy percent of the first season was filmed outdoors.
Johan Renck,
Ciarán Donnelly and
Ken Girotti each directed three episodes. The production team included cinematographer
John Bartley, costume designer Joan Bergin, production designer Tom Conroy, composer
Trevor Morris and Irish choir Crux Vocal Ensemble, directed by Paul McGough.
Season 2 On April 5, 2013, History renewed
Vikings for a ten-episode second season.
Jeff Woolnough and
Kari Skogland joined Ken Girotti and Ciaran Donnelly as directors of the second season. Two new series regulars were announced on June 11, 2013:
Alexander Ludwig, portraying the teenage
Björn; and
Linus Roache, playing
King Ecbert of Wessex. The second season undergoes a jump in time, aging the young Björn (Nathan O'Toole) into an older
swordsman portrayed by Ludwig. The older Björn has not seen his father, Ragnar, for "a long period of time". Lagertha remarries to a powerful
jarl, a stepfather who provides harsh guidance to Björn. Edvin Endre and Anna Åström signed up for roles in the second season. Endre had the role of Erlendur, one of King Horik's sons.
Season 3 Morgan O'Sullivan, Sheila Hockin, Sherry Marsh, Alan Gasmer, James Flynn, John Weber and Michael Hirst are credited as executive producers.
Season 4 Michael Hirst announced plans for the fourth season before the third season had begun airing. The fourth season began production in Ireland around the
Dublin and
Wicklow areas in April 2015. Additional location photography featuring Ludwig took place in Canada. Finnish actors
Peter Franzén and
Jasper Pääkkönen, as well as Canadian actress
Dianne Doan, joined the cast of the fourth season. Franzén played Norwegian King
Harald Finehair, a potential rival to Ragnar. Pääkkönen was cast as
Halfdan the Black, Finehair's brother. Doan portrays Yidu, a Chinese character who has a major role in the first half of the fourth season. Former
Toronto Blue Jays player
Josh Donaldson is a fan of the series and in January 2016, it was announced that he would have a guest appearance in the fourth season of the show as "Hoskuld".
Season 5 At the same time that the series was renewed for a fifth season, it was announced that Irish actor
Jonathan Rhys Meyers would be joining the cast,
WWE wrestler
Adam Copeland was cast in a recurring role for the fifth season as Kjetill Flatnose, a violent and bold warrior. He is chosen by Floki to lead an expedition to Iceland to set up a colony. Irish actor Darren Cahill plays the role of
Æthelred of Wessex in the fifth season. Nigerian actor Stanley Aguzie told local media he had landed a small role in the fifth season. The fifth season also features Irish actor, musician and real-life police detective,
Kieran O'Reilly, who plays the role of "White Hair". In April 2017 it was announced that Danish actor Erik Madsen would join the cast for the fifth season, as
King Hemmig. He spent several months of 2016 on the set of
The Last Kingdom, portraying a Viking. Season 5 involved location shooting in Iceland as well as Morocco, the latter standing in for Sicily and Egypt.
Season 6 Russian actor
Danila Kozlovsky joined the series for the sixth season, as
Oleg the Wise, the 10th century
Varangian (east European Vikings) ruler of the
Rus' people.
Katheryn Winnick, who portrays
Lagertha in the series, directed an episode of the season. Music for the series was contributed by Scandinavian artists with strong
Nordic folk influences, including Wardruna and
Danheim. ==Broadcast==