Guest Stars Amaka Okafor as Laura Whitelock Jalaal Hartley as Sean Forrest Jay Saighal as Agrah Ali Josh Barrow as Riley Gill Charlotte Pyke as Jade Gill Barry Aird as Darren Tripp Marian McLoughlin as Tina Tripp David Birrell as Danny Gillespie Ajay Chabra as Nasir Ali Simon Trinder as Nathan Whitelock Janine Birkett as Anna Wilby Jonathan Spencer as Freddie Gill Charity Bedu-Addo as Paramedic Viraj Juneja as Saddiq Ali Brian Lonsdale as Lee Tripp