Guest Stars Georgia Scholes as Erin Fischer David Carpenter as Conor Townsend Emme Haynes as Maddie Townsend Arthur Kay as Lewis Walsh Will Oldfield as Jonas Metcalf Billy Currid as Cameron Young Ella Smith as Amy Metcalf Eugene Collins as Mal Haworth Yousef Naseer as Yousef Awan Rakhee Sharma as Ms. Bhula Kate Hampson as Kim Walsh Chris Lei as Lee Chen Kevin Davids as Gus Pearson Chris Machari as P.C. Fleetwood Rob Pomfret as D.S.U. Ward