Among the guests on Graham's sofa are Matthew Perry, talking about life, work, being Chandler Bing in Friends and his West End playwriting debut The End of Longing, British actress Gemma Arterton, taking the role of the 17th century royal mistress in Nell Gwynn, and actor Miriam Margolyes, talking about new documentary series The Real Marigold Hotel. Plus music from Jack Savoretti, who performs Catapult.