Bullshit. It’s a modern take on an ancient myth where half the characters are barely described physically. Nothing about people who never existed can be miscast by skin color, unless you’re going to try to tell me that this is meant to be a historical reenactment of, again, events that never happened.

I suppose Charybdis could be miscast if they used a kangaroo, but frankly I haven’t seen the movie and don’t know if that part is even depicted.