Guest Stars Mandeep Dhillon voices Telephone Caller Ellie White voices Telephone Caller Sara Powell as Cass London Hughes voices Telephone Caller Morwenna Banks as Ingrid Paul Charlton as PC Harris Nick Hancock as Lee Denby Amy Jayne as Rose's Daughter Sophie Sanderson as Rose's Daughter Zaak Conway as Rose's Son Aisling Bea as Anne-Marie Rasmus Hardiker voices Telephone Caller Tilly Vosburgh as Rhona James Duke as Andy