Given that the casts of the Harry Potter movies are pretty much exclusively British pedigree, you wouldn’t expect a Utah-born future country music star to pop up in it. However, when she was 12 years old, Julianne Hough was living in London, so she was able to get herself a gig as an extra in Harry Potter and the Sorcerer’s Stone. She plays a student from Gryffindor House during the Quidditch sequence and you can her standing close to Ron at the 3:20 and 4:41 marks of this clip.