Guest Stars Fiona Dolman as Sarah Barnaby Annette Badland as Dr. Fleur Perkins Jemma Redgrave as Dr. Juno Starling Ruby Bentall as Stella Starling Bill Bailey as Darwin Chipping Nicholas Farrell as Isaac Starling Nicholas Burns as Barrett Lounds Heather Wright as Francesca Lounds Ben Caplan as Murray Eccbeer Will Brown as Timothy Argo Eloise Joseph as Bluebell Eccbeer Ellen Thomas as Ruth Crane Elena Saurel as Zennia Lounds Joshua Williams as Jerome Buchanan