Vikings season 4

The fourth season of *Vikings* aired in two blocks of ten episodes each. The first half debuted on February 18, 2016, on History in Canada, wrapping up on April 21, 2016. The second half followed later that year, starting November 30, 2016, and the entire season concluded on February 1, 2017. This season pits Ragnar and Rollo against each other in Francia, follows Bjorn’s raid into the Mediterranean, and covers the Viking invasion of England. The show itself tracks the legendary chieftain Ragnar Lothbrok and his crew, later shifting focus to his sons, with the whole series kicking off at the dawn of the Viking Age during the 793 Lindisfarne raid. Main - Travis Fimmel as King Ragnar Lothbrok, ruler of Kattegat after Horik’s death - Katheryn Winnick as Queen Lagertha, a shield-maiden and Ragnar’s ex-wife; she controls Hedeby as Earl Ingstad and later becomes queen of Kattegat - Clive Standen as Duke Rollo, Ragnar’s brother and a warrior granted the Duchy of Normandy by Emperor Charles - Gustaf Skarsgård as Floki, a gifted shipbuilder and Ragnar’s friend, put on trial for murdering Athelstan - Alexander Ludwig as Bjorn Ironside, Ragnar and Lagertha’s son, involved with Torvi - Nathan O’Toole as young Bjorn Ironside, appearing in Ragnar’s visions - Alyssa Sutherland as Queen Aslaug, Brynhildr’s daughter and Ragnar’s second wife - Ben Robson as Earl Kalf, a Viking sharing control of Hedeby with Lagertha (part 1) - Lothaire Bluteau as Emperor Charles of West Francia (part 1) - John Kavanagh as The Seer, Kattegat’s seiðrmann - Linus Roache as King Ecbert of Wessex, a ruthless ruler - Peter Franzén as King Harald Finehair, a Viking aiming to become Norway’s first king - Jasper Pääkkönen as Halfdan the Black, Harald’s violent younger brother - Kevin Durand as Harbard, a charismatic wanderer and storyteller (part 1) - Alex Høgh as Ivar the Boneless, Ragnar and Aslaug’s fourth son (part 2, guest part 1) - James Quinn Markey as young Ivar the Boneless - Marco Ilsø as Hvitserk, Ragnar and Aslaug’s second son (part 2, guest part 1) - Stephen Rockett as young Hvitserk - David Lindström as Sigurd Snake-in-the-Eye, third son of Ragnar and Aslaug (part 2, guest part 1) - Elijah O’Sullivan as young Sigurd Snake-in-the-Eye - Jordan Patrick Smith as Ubbe, eldest son of Ragnar and Aslaug (part 2, guest part 1) - Luke Shanahan as young Ubbe - Moe Dunford as Prince A