We can’t believe some of these actors started as musicians! We didn’t realise how many actors began their careers as singers! We all know that the stars can be known as a double or triple threat, meaning they can act, sing, and sometimes even dance – and actors can be known to have great pipes. Hugh Jackman is an incredibly talented singer and showed off his skills in The Greatest Showman, similarly, Emmy Rossum wowed in The Phantom of the Oper…