Guest Stars Imogen Clawson as Jenny Alderson Tony Pitts as Richard Alderson Will Thorp as Gerald Hammond Mollie Winnard as Maggie Gabriel Quigley as Hannah Herriot Drew Carter Cain as James Herriot Senior Amy Nuttall as Phyllis Dalby Mike Harding as Isaac Cranford Aiden Cook as Young Billy Dalby Frances Tomelty as Mrs Donovan