Guest Stars Oscar Kennedy as Young Liam Sam Bottomley as Ralph Roberts Aqib Khan as Adnan "Addy" Masood Shaun Thomas as Tom "Craggy" Cragg Nick Preston as Rupert Jordan Pearson as Tinhead Rob Oldham as Sam Celeste Dring as Penelope Jamali Maddix as Brent William Fox as Maskill Jacob Hawley as Mashed Person