Rubeus Hagrid: Borrowed it, Professor Dumbledore sir
Harry Potter: Nearly
Dudley Dursley: Thirty-six, ... That's two less than last year.
Quirinus Quirrell: P-p-potter, c-can't t-tell you how p-pleased I am to meet you
Draco Malfoy: Hello. Hogwarts too?
Molly Weasley: ... packed with Muggles of course...
Ginny Weasley: Nine and Three Quarters
Fred Weasley: I'm not Fred, I'm George!
Neville Longbottom: Gran, I've lost my toad again
George Weasley: Want a hand?
Ron Weasley: Mom geroff!
Hermione Granger: Has anyone seen a toad? Neville's lost one.
Severus Snape: Ah, yes. ... Harry Potter. Our new- celebrity.
Lord Voldemort
Arthur Weasley: What a night, ... 'Nine raids. Nine. And old Mundungus Fletcher tried to put a hex on me when I had my back turned
Lucius Malfoy: Touch Nothing Draco
Cornelius Fudge: Bad business, Hagrid. ... Very bad business. Had to come. Four attacks on Muggle-borns. Things've gone far enough. Ministry's got to act
Sybill Trelawney: Welcome, ... How wonderful to see you in the physical world at last
Peter Pettigrew: S-Sirius... R-Remus ... My friends... my old friends...
Bellatrix Lestrange: The Dark Lord will rise, Crouch! Throw us into Azkaban; He will rise again and will come for us, he will reward us beyond any of his supporters! We alone were faithful!
Luna Lovegood: Yes, ... Yes, it was quite enjoyable, you know. You're Harry Potter.
Dolores Umbridge: I'm sure I misunderstood you, Professor Dumbledore. But it sounded for teensy moment as though you were suggesting that the Ministry of Magic had ordered an attack on this boy!