Which 1958 movie starred Kirk Douglas and Tony Curtis as half-brothers Einar and Eric?

The 1958 movie "The Vikings" starred Kirk Douglas and Tony Curtis as half-brothers Einar and Eric. The film tells the story of their rivalry as they compete for the throne of a Viking kingdom. The movie was a swashbuckling adventure set in the medieval world of Viking warriors and their battles. Kirk Douglas and Tony Curtis delivered strong performances, making "The Vikings" a popular film that showcased their on-screen chemistry and dynamic as half-brothers.