Where is there a description of Samson? The Nubians ruled ancient Egypt for almost 200 years and they were certainly black. Those tribes in that region frequently intermixed in cities and larger settlements and traded with each other as well as warring with each other. Did the black jews in Ethiopia just appear out of nowhere as a distinct group? He might have been black or he might have been more mediterranean; who knows for sure.
“who knows for sure.”
And who cares? And who cares what race the actors are?