Guest Stars Yani Alekansandrov as Humphrey's Body Oliver Maltman as Alexander Lauren Douglin as Andi Sophie Bould as Carol Billy Byers as Young Daley (12) Charlie Mackinnon as Young Daley (7) 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) Ben Willbond as Boiler Room Ghost Mathew Baynton as Mick (Boiler Room Ghost) Simon Farnaby as Boiler Room Ghost
