10:00Charles DickensCharles Dickens - Our Mutual FriendEpisode 4: A Riddle Without an AnswerBBC Radio 4 Extra Duration: 1 hour Thu 9th Feb 2012, 10:00 on BBC Radio 4 ExtraWhile Silas Wegg tries to work out who really owns the inheritance, the Lammles try to make some money by pairing off Fledgeby. Stars Bill Nighy.GenresDramaClassic & PeriodBrandCharles DickensSeriesCharles Dickens: Charles Dickens - Our Mutual Friend Source: BBC Online