Clarke's early work includes two plays at St. Edwards, ten plays at Drama Centre London, and the 2009 Company of Angels production of Sense
Sophie was just 13 when she was cast as Sansa, the eldest daughter of the ill–fated Stark family. But she was already an experienced member of Warwick–based Playbox Theatre.
“I first started acting when I was three and joined Playbox Theatre. That was how my obsession grew. I am still in Playbox.
“My first lead was in a production called Scary Play directed by Stewart McGill, who is amazing,” she explains.
“Playbox is a fun environment. It’s not just a place for kids to hang around and be silly. We are all very serious about acting. They do not mould you into the actor they want, but let you be yourself.”
Båda skådespelerskorna skildrar också unga karaktärer, även om de är åldrade för serien (i böckerna Daenerys Targaryen är 14, Sansa Stark är 12): oundvikligen måste beslutsfattarna kasta människor som inte har samma uppleva som skådespelare och skådespelerskor som är år äldre.