10. The Harry Potter movie series and The Game of Throne series have around 9 actors in common:
There have been several casting crossovers between the 8 movie series and the 5 seasons of the TV series. Michelle Farley has played the mother of the most loved characters in both the dramas. She plays mother of Starks in GOT and has played mother of the much loved muggle Hermione Granger in HP. David Bradley has displayed extreme talent in portraying a negative character in both the series. He has played the despicable Walder Frey in GOT and the much hated Argus Filch in HP. There are seven other actors who are seen in both the legendary dramas.