A Good Treason
Show: Vikings --> Season: 4 - Season 4
AirDate: 2/18/2016
Runtime: 47
Voting: 7.9 (39)

Overview: A dangerously ill Ragnar returns to Kattegat, where his suspected death kicks off a scramble to succeed him. Meanwhile, Lagertha engages in a power struggle with her calculating, former second in command, Kalf. Rollo betrays his heritage and remains in Frankia. Floki pays the price for his brutality against the Christian priest.
Ben Robson
Kalf
John Kavanagh
The Seer
Huw Parmenter
Roland
Steve Wall
Einar
Shashi Rami
Slave Trader
Barry McGovern
French Archbishop
Simon Jewell
Frankish Officer
Cillian O'Sullivan
Eirik
Rosalie Connerty
Angrboda
Owen Roe
Count Odo
Dianne Doan
Yidu
Stephen Rockett
Hvitserk
Luke Shanahan
Ubbe
Edvin Endre
Erlendur
Elijah O'Sullivan
Sigurd
James Quinn Markey
Ivar
Lothaire Bluteau
Emperor Charles
Karen Hassan
Therese
Morgane Polanski
Princess Gisla
Frankie McCafferty
Sinric