^^ Well, it depends on the artist. Guys like Gene Colan and Sal Buscema gave him the conventionally handsome "Mandrake" look, but guys like Steve Ditko and Paul Smith gave him a more elongated, angular, exotic look. As much as I love Colan, I like the more exotic look better and Eric Balfour fits that. As to his acting ability, though, I don't know enough to say.
And Zachary Quinto can't play everybody