![Brendan O'Carroll, Vicky McClure, Rob Brydon, Harry Styles](https://image.tmdb.org/t/p/w500/nGZ89GAWXO3iDN5426ii7n7BJuy.jpg)
Together on Graham's sofa are One Direction star Harry Styles, chatting and giving an exclusive UK television performance of his debut solo single Sign of the Times; Mrs Brown's alter-ego, Irish funnyman Brendan O'Carroll; Vicky McClure, star of police drama Line of Duty; and comedian Rob Brydon, talking about his new series with Steve Coogan, The Trip to Spain.