Idris Hopper

Idris Hopper was Margaret Blaine's secretary. He tried, unsuccessfully, to stop the Doctor entering her office as she fled through an open window. (DW: Boom Town)

Idris also helps Captain Jack Harkness uncode Bilis Manger's diary in the Torchwood novel; The Twilight Streets. He takes two retcon tablets afterwards, and forgets all about Jack, accepting a job offer in Belgium that Bilis had previously predicted in a conversation with him.