Guest Stars Cornelius Booth as Philip Yaamin Chowdhury as Rory Shivani Thussu as Lucy Colin Hoult as Gordon Jackie Clune as Gwen Uncredited Lolly Adefope as Boiler Room Ghost Jim Howick as John (Boiler Room Ghost) Martha Howe-Douglas as Boiler Room Ghost Laurence Rickard as Nigel (Boiler Room Ghost) Mathew Baynton as Mick (Boiler Room Ghost) Ben Willbond as Boiler Room Ghost Simon Farnaby as Boiler Room Ghost Katy Wix as Boiler Room Ghost