So, we use the piano's notes as concert pitch. Flutes, oboes, bassoons, trombones, tubas, baritones reading bass clef and all string instruments are concert pitch instruments: when they play a C it sounds like a C on the piano. They don't have to transpose.
Jacob Anderson. Jacob Basil Anderson (born 18 June 1990) is an English actor, singer, and songwriter. As an actor, he is best known for his role as Grey Worm in the television series Game of Thrones, and his recurring appearances in the first seasons of Episodes and Broadchurch. As a musician, he uses the alias Raleigh Ritchie; his debut album, You're a Man Now, Boy, was released in 2016 to very positive reviews.
Alfie Allen as Theon Greyjoy. Alfie Allen looks very different from his Game of Thrones character but he sure looks a lot like his real-life sister, singer Lily Allen. Lily Allen was asked to join the HBO show's cast but turned it down because the producers had offered her a role that involved sexual scenes with her real-life brother Alfie Allen.