- Prof. Albus Dumbledore - Headmaster
- Prof. Minerva McGonagall - Transfiguration, Deputy Headmistress
- Prof. Severus Snape - Potions
- Prof. Flitwick - Charms
- Prof. Quirrell - Defence Against the Dark Arts (first book)
- Prof. Gilderoy Lockhart - Defence Against the Dark Arts (second book)
- Prof. Remus Lupin - Defence Against the Dark Arts (third book)
- Prof. Alastor "Mad-eye" Moody - Defence Against the Dark Arts (fourth book)
- Prof. Sprout - Herbology
- Madame Hooch - Quidditch
- Madame Poppy Pomfrey - Matron
- Madame Pince - Librarian
- Prof. Syble Trelawney - Divination
- Prof. Vector - Arithmancy
- Prof. Kettleburn - Care of Magical Creatures (former)
- Prof. Rubeus Hagrid - Care of Magical Creatures (and grounds keeper)
- Prof. Binns - History of Magic
- Argus Filch - Caretaker
- Prof. Sinistra - Astronomy