Guest Stars James Baxter as Stephen Croft Adam Thomas Wright as Lewis Brown Bradley Johnson as Johnny Briggs Mia Wyles as Harriet's Army Girl William Travis as Mr Grange Paul Bown as Harbourmaster Jonathan Jaynes as Captain Sikes Viktoria Kay as Mrs Stanner Glyn Pritchard as Welsh Postman Max True as Sam Grange Naomi Allisstone as Mrs Croft Matthew McGreevy as Jimmy Cruickshank Gemma Wardle as Mrs Brown Brook Exley as Timmy Jonny Bower as Army Sergeant