It was Jason's destiny to be a heartthrob, and it all dates back to when he starred in Baywatch: Hawaii from 1999 until 2001, right around the time he was working on his modeling career.
In Peter's early days as a struggling actor, he and some friends shared an apartment under a bridge that was filled with rats. Now he has taken home two Emmy Awards, and is one of the highest paid actors on television reaping $2 millions per episode.
Lena Headey played only small roles in films until Peter Dinklage introduced her to Game of Thrones producers, and then she became the cold-hearted Cersei Lannister. Unlike Cersei, Lena is quite an emotional person - she tattooed Jason Flemyng on her right arm in Thai during their time together, and then covered the tattoo up following their breakup.
Kit didn't know his real name until he was 11, saying, "I was called Kit from day one, really. I only found out my name was Christopher when I was 11." Unfortunately for Jon Snow, he still hasn't figured out his real name and identity. You know nothing, Jon Snow, indeed.
Maisie Williams' very first professional acting role was Game of Thrones. At age 12 when her agent put her up for an audition for Arya, Maisie was still frustrated about being turned down for a part in Nanny McPhee 2 and wasn't entirely convinced by Thrones. But after the first audition in London, she said, "I wanted to be Arya."
After rising to fame in his native country Denmark, he shipped out his audition tape for US movie Black Hawk Down and began his journey in Hollywood. Now he's one of the highest paid actors on television and earns $2 million per episode of Game of Thrones. Fun Fact: Even though he stars in horror movies, he finds it difficult to watch them.
Gwendoline took up acting after an injury forced her to quit gymnastics, and things have worked out great for her. According to Gwendoline, neither she nor her mother has kept track of her age, so she doesn’t know how old she is.
Before her role in Game of Thrones, Sophie has never read or studied drama; her time on Game of Thrones has been a drama lesson in itself. After season 1, Sophie adopted the dog that played her dire wolf on the show, and named it Zuni.
It may seem weird that the serious Melisandre would even be a fan of pop-rock, but the actress who plays her is and once recorded a pop album called See You On The Ice long before her role in A Song Of Fire And Ice.
Despite being turned down for the James Bond role once upon a time, Charles Dance has enjoyed a successful career spanning five decades already, appearing in famous movies like Alien 3 and Last Action Hero. In 2006, Charles earned his OBE, officially granting him the title, "Officer of the Order of the British Empire."
Diana Rigg rose to fame playing the legendary Emma Peel in The Avengers and helped pave the way for badass female characters on TV. Diana Rigg costarred with Charles Dance in the miniseries "Rebecca," in which Dance played a much softer English gentleman while Diana Rigg played his housekeeper.
Alfie Allen is the younger brother of British pop star Lily Allen and is actually the subject of her song "Alfie". Check out the song if you want to know more, and you'll be surprised.
Conleth Hill has maintained a full head of hair until Game of Thrones, for which he is required to kept shaven during filming. His younger brother Ronan works as a sound engineer on Game of Thrones and has won three Emmy Awards for his sound mixing.
Iain Glen is not only a good actor, but also a talented musician. He has acted in musicals in the past, most notably in Martin Guerre starring opposite Nicole Kidman. He can play both the guitar and the piano.
Before the whole world was rooting against him, Jake Gleeson played a lovable scamp in Batman Begins. Unfortunately, he has retired from acting after his stint on Game Of Thrones.