What movie is this from and who is this conversation?

_________________: ". . .mediocre, arrogant as his father, a determined rule-breaker, delighted to find himself famous, attention-seeking and impertinent. . ."

_________________: "You see what you expect to see, Severus. Other teachers have reported that he is modest, likable and reasonably talented. Personally, I find him an engaging child."

_________________: "He is his father all over again."

_________________: "In looks, perhaps. But his deepest nature is much more like his mother's."