1. Iain Glen (Jorah)’s ex-wife, Susannah Harker, played Mattie Storin in the original BBC version of House of Cards.
2. Michiel Huisman (Daario Naharis) was the singer and guitarist in the Dutch band Fontane.
3. The character of Aemon Targaryen is played by Peter Vaughan. Vaughan is partially blind in real life.
4. The character of Arya Stark was Maisie Williams’ first acting role.
5. Bronn (Jerome Flynn) and Cersei (Lena Headey) played together in ITV’s military drama Soldier Soldier.
6. Sophie Turner (Sansa Stark) is allergic to horses.
7. Stephen Dillane, who plays Stannis, is the father of Frank Dillane – the actor who plays young Tom Riddle in Harry Potter.
8. Kristian Nairn, who plays Hodor on the show, is a DJ in real life.
9. Though enemies on the show, Peter Dinklage (Tyrion) and Lena Headey (Cersei) are great friends in real life.
10. Dominic West – best known as Jimmy McNulty from HBO’s The Wire – claims to have been offered a role in Season 3, but says he decided turned it down.
11. The character of Jojen Reed is meant to be 13 years old, but Thomas Brodie-Sangster is 22.
12. Brodie-Sangster is also the second cousin of Hugh Grant.
13. Neither Thomas Brodie-Sangster (Jojen) or Ian McElhinney (Ser Barristan Selmy) knew that their characters were going to die until they read it in the script.
14. Both Lena Headey (Cersei) and Emilia Clarke (Daenerys) have played the character of Sarah Connor.
15. Kit Harington (Jon Snow) didn’t know his real name was Christopher until he was 11 years old.
16. While his on- and off-screen lover, Rose Leslie (Ygritte), is a descendant of King Charles II.
17. Liam Cunningham (Ser Davos Seaworth) is very good friends with Hollywood superstar Michael Fassbender.
18. Cunningham has 10 fully intact fingers and thumbs.
19. Grey Worm – real name Jacob Anderson – is a musician who works under the name Raleigh Ritchie.
20. The younger cast members, including Bran, Myrcella, Tommen, and Shireen, are good friends in real life.
21. Nathalie Emmanuel (Missandei) played young Nala in the London cast of the The Lion King.
22. Before going on to play Sasha Valentine, a teen heroin addict, in the soap opera Hollyoaks.
23. Ciarán Hinds, who plays Mance Rayder, voices the character Pabbie in Frozen.
24. His first acting role was as half of a pantomime horse. He can’t remember which end he played though.
25. He also plays Aberforth Dumbledore in Harry Potter and the Deathly Hallows: Part II.
26. Grand Maester Pycelle – real name Julian Glover. Glover has credits in Harry Potter, Indiana Jones, James Bond, and Star Wars movies, as well as multiple episodes of Doctor Who.
27. Sean Bean and members of the cast and crew played football with Ned Stark’s head.
28. Like his character, Tywin, Charles Dance was married to a woman named Joanna and had three children.
29. Isaac Hempstead Wright (Bran Stark) intends to go to university once Game of Thrones is over.
30. Olenna Tyrell, aka Dame Diana Rigg, played a Bond girl.
31. Natalie Dormer (Margaery Tyrell) is a keen fencer and was a member of the London Fencing Academy.
32. She was also in the same class at Webb Douglas drama school as Rupert Friend (Homeland).
33. Hafthór Júlíus Björnsson (The Mountain) is currently the third-strongest man in the world.
34. He is the third actor to play the role, fighting Oberyn Martell in Season 4.
35. Carice Van Houten (Melisandre) was originally asked to audition for the role of Cersei.
36. She also had a No. 1 hit (in the Netherlands) with rock band Kane.
37. Van Houten appeared in films alongside the actors who play Ned Stark, Ser Davos Seaworth, and Daario Naharis.
38. All three films contain the word “black” in the title. Black Death, Black Butterfly, and Black Book.
39. Charles Dance (Tywin Lannister) was told his character was going to die by a fan.
40. Dance also appeared in the Ali G movie, Ali G Indahouse, in which he wore a red PVC skirt and a leopard print top.
41. Iwan Rheon (Ramsay Snow) made it down to the last two when auditioning for the role of Jon Snow.
42. But Rheon struggles with some of the scenes he has to film because of how cruel his character is.
43. Emilia Clarke and Michelle Fairley didn’t play Daenerys Targaryen and Catelyn Stark in the pilot.
44. Clarke was once covered in so much fake blood that she got glued to a toilet seat.
45. Rory McCann (The Hound) broke an arm, a wrist, and both ankles and fractured his skull in a rock-climbing accident in 1990.
46. Punk legend Wilko Johnson (Ilyn Payne) would give McCann (The Hound) guitar-advice between takes.
47. Richard Brake, who plays the Night’s King, also played Joe Chill in Batman Begins.