Police Constable Lowell - "Meet the Minions", "Night of the Weird" -- "Ripper".
Police Constable O'Connell- "Seeds of Change"
Connor and Ramirez - "Iris, Lily, and Rose" part 1
Security Service Agent Robert Samuel Braddock - "Seeds of Change" -- Expatriot, The Sleepers, "Iris, Lily, and Rose" parts 1 and 2, Ripper, "The Once and Future King" parts 1 and 2
Sergeant Winslow - "Seeds of Change" -- Expatriot, The Sleepers, "Iris, Lily, and Rose" parts 1 and 2, Ripper, "The Once and Future King" part 2. Braddock's partner.
Willie and Dru - "Seeds of Change" - two techs working with Braddock to find "The Connection"
Inspector Courtney from Scotland Yard - "Expatriot", "The Once and Future King" part 1
Watson (male) and Holmes (female) - a pair of technicians at Scotland Yard's forensic lab. "Night of the Weird"
Williams and Mulroony - "Seeds of Change" - partners from Scotland Yard who are in on trying to take down "The Connection" the first time at Arthur's flat in Soho.
Jenkins - "Seeds of Change" - another with Scotland Yard. The Illuminatus that Ratcliffe was complaining about losing a job to during "On Holiday" part 1.
Reginald Hewitt - a small, balding man from the Ministry of Defence - "TOAFK" part 1
Regina Fitzwalter - field reporter covering the moving of the stone of destiny to Edinburgh - "The Stone of Destiny", "Dragon's Wrath" -- G/P 2 : "In The Blood", The Drowned City -- "Iris, Lily, and Rose" parts 1 and 2, Dark Passions --
Donald - Regina Fitzwalter's anchorman. "The Stone of Destiny"
BBC News producer - Mr. Pennyworth - The Drowned City.