Left: Homo antecessor is an extinct human species dating from 800,000 to 1.2 million years ago and was discovered by Eudald Carbonell, Juan Luis Arsuaga and J. M. Bermúdez de Castro. H. antecessor is one of the earliest known human species in Europe. Wikipedia (If it is a distinct species)
Right: Aiden Turner, Irish Actor “Poldark” on PBS
An uncanny resemblance: A bit of coincidence or an intentional likeness on the part of the illustrator?