The Last of the Vikings
L'ultimo dei Vikinghi (original)
In this historical drama, a Viking prince returns to his homeland only to learn that his father has been murdered by King Sven of Norway. Sven is forcing his sister to marry in order to create an alliance with the Danes. The prince must defeat Sven and save his sister.
Starring Cameron Mitchell, Edmund Purdom, Isabelle Corey, Hélène Rémy, George Ardisson, Mario Feliciani, Andrea Aureli, Aldo Bufi Landi, Carla Calò, Corrado Annicelli
Watch "The Last of the Vikings" from streaming services Amazon, Tubi TV released in 1961. It's a war and action & adventure movie, and has a rating of 4.8 out of 10 from Imdb which is fairly low for this kind of movie.