Daniel Radcliffe, Alan Cumming, Sharon Horgan, Miriam Margoyles, Craig David

Among the guests on Graham's sofa tonight: Daniel Radcliffe and Alan Cumming, together on the West End stage in Samuel Beckett's play Endgame; actor and writer Sharon Horgan, starring in inspirational real-life drama Military Wives; and singer-songwriter Craig David, performing a track from his classic album Born to Do It, released 20 years ago.