Guest Stars Mandeep Dhillon voices Telephone Caller Ellie White voices Telephone Caller Sara Powell as Cass London Hughes voices Telephone Caller Nick Hancock as Lee Denby Jacob Scipio voices Telephone Caller Ed Gaughan voices Telephone Caller Clive Mantle as Dennis Amy Jayne as Rose's Daughter Sophie Sanderson as Rose's Daughter Shola Adewusi voices Telephone Caller Carl Rice as Darren Zaak Conway as Rose's Son Andy Linden as Tel Richard Brimblecombe as Headmaster Wendon Becky Brunning as Hannah Poppy Polivnick as Hannah's Daughter Nicky B as Shaz Lucy Murtagh as River Bobby Beynon as Hannah's Son