Guest Stars James Bachman as Rev. Hugh Chater John Bird as Horace Greeley Selina Griffiths as Alison Chater Tim Faraday as Crispin Gilpin Adam Grayson as Young Eric Ipswich John Voce as Captain Ian Amery-Cooper Jarred Christmas as Warwick David Gant as Eric Ipswich John Walters as The Sandman Michael Troughton as Leonard Corbyn Marc Danbury as Burglar 1 Chloe Buswell as Polly's Mother Ella Purton as Young Polly Uncredited Mike Fordham as Polly's Father