The Marlow Murder Club confirms series three guest stars including Death in Paradise actorThe Marlow Murder Club is set to return to TV screens soon and a number of iconic stars have been confirmed to appear in the new seriesView 3 Images The third series of The Marlow Murder Club will be released next year (Image: U)Details of the third season of The Marlow Murder Club have been unveiled, including new cast members and plot information. ‌A host of guest stars are set to make an appearance, including Peter Davison, known for his role as Arnold Finch in BBC's Death in Paradise. The final two episodes will feature more renowned guest stars, including Strike's Cherie Lunghi, Joy's Adrian Lukis, and The Crown's Alastair Mackenzie, who will play Marian, Matthew, and Ferdy, respectively. The third series of The Marlow Murder Club will consist of six one-hour episodes. Article continues belowThe Marlow Murder Club is set to return to U and U&DRAMA in 2026.