Adam Winnick has also had small roles in Suicide Squad and Promoted to Glory. The star also has a sister called Daria.
Markjan is on Instagram and he posted plenty of behind-the-scenes photos from the set of Vikings.
He shared a photo of himself with Katheryn, saying: “My talented sister – now also a director! From shadow to light.”
Adam is also on Instagram and he shared a behind-the-scenes photo of himself with Vikings co-star Peter Franzén.
He said: “Meet Rangvald, King Harald’s badass Viking captain… Only trusted with the toughest of missions, he should have been tasked to kill Bjorn, he would have got the job done! #vikings #chicksdigscars.