Guest Stars Ben Hunter as Joseph Booth Albane Courtois as Eugénie Pierre Tom Lewis as Thomas Sowden Thomas Howes as John Booth Bruce Alexander as Mr. Parker Amy James-Kelly as Suzannah Washington Mason Sutcliffe as Alf Sowden Lucy Black as Mary Sowden Tilly Kaye as Amy Sowden Rupert Vansittart as Charles Lawton Saul Marron as James Mackenzie Emma Wrightson as Eliza Washington Emma Paetz as Catherine Rawson Daisy Edgar-Jones as Delia Rawson Lucy Briers as Mrs. Stansfield Rawson Steve Evets as Mr. Pickles Michael Xavier as Dr. Steph Belcombe David Bardsley as Mr. Stansfield Rawson Wim Snape as William Bell