Jenna Coleman is best known for her work on Emmerdale, Doctor Who and Victoria but she's soon to be seen in something distinctly different: BBC One's serial killer true-crime drama The Serpent, where she plays the seemingly complicit other half to the infamous 'Bikini Killer' Charles Sobhraj (played by A Prophet's Tahar Rahim) in the 1970s. In this audio version of her Story So Far interview, she talks about shooting in Thailand, mastering the Quebecois accent and what mementos she managed to sneak home from inside the TARDIS...