Some of the finest actors in the world were recruited to play Hogwarts professors in the beloved "Harry Potter" movies. Many of them have had long acting careers dating back to when they were the same age as Harry, Ron and Hermione! Here's what your favorite Hogwarts professors looked like as young actors and actresses.
The Irish actor played the beloved Headmaster in the first two movies, sadly passing away in 2002.
The celebrated actor (who was inducted into the Order of the British Empire) took over the role for the remaining six films.
The established stage actor also played Walder Frey in HBO's "Game of Thrones."
A five time Oscar nominee, Sir Branagh has been romantically linked to two fellow "Potter" co-stars: Emma Thompson and Helena Bonham Carter!
Gleeson is the real-life father of Domhnall Gleeson, who played Bill Weasley in the latter film adaptations.
Though she only appeared in "Harry Potter and the Sorcerer's Stone," Wanamaker's turn as flying instructor Rolanda Hooch was a memorable one! She's a highly celebrated stage actress in both the U.S. and the U.K.
Beloved to audiences everywhere, Smith was appointed Dame Commander of the Order of the British Empire in 1990.
Author J.K. Rowling reportedly had Coltrane at the top of her wish list for Hagrid from the very beginning — and it was indeed the perfect choice.
Hart is best remembered for his role in "Sorcerer's Stone," but he also had a lead role on the short lived FX drama "Dirt" opposite "Friends" star Courteney Cox.
A British-Australian actress, Margolyes has had a wide range of voice roles — but she's known to audiences all over the world as the lovable Herbology teacher.
In addition to the Charms professor, Davis also played the goblin Griphook in the films.
Who could forget Staunton's terrifying turn as the Headmistress from Hell? It's probably because Staunton is such a great actress — she was an Oscar nominee for the 2004 film "Vera Drake."
One of the most iconic faces of the franchise, Rickman sadly passed away in January of 2016. Related: 20 Of The Best Alan Rickman Quotes (Both On And Off The Screen)
Playing the best Defense Against the Dark Arts teacher ever, Thewlis is also credited for movies such as "The Theory of Everything" and "James and the Giant Peach."
Playing the wacky Divination professor, Thompson was married to Potter co-star Kenneth Branagh from 1989 to 1995!
A celebrated actor, Broadbent won the Best Supporting Actor Oscar in 2001 for "Iris."
The healer in the hospital wing was a small role in the films, but famous character actress Gemma Jones appeared in "Chamber of Secrets," "Half Blood Prince," and the second "Deathly Hallows."