Evan Davis
В роли: Self - Presenter

John Armitt
В роли: Self - Chairman Olympic Delivery Authority (как Sir John Armitt)

Roger Evans
В роли: Self - Bridgemaster 1992-2004

Kent Evenden
В роли: Self - Southeastern High Speed

Mike Glover
В роли: Self - Chief Engineer High Speed 1

Sara Habib
В роли: Self - National Grid

Dieter Helm
В роли: Self - University of Oxford (как Professor Dieter Helm)

Philip Lucas
В роли: Self - Signalman

David Pilsworth
В роли: Self - Highways Agency

Steve Reynolds
В роли: Self - Offshore Site Manager London Array

Paul Spence
В роли: Self - Director of Strategy EDF Energy

Christian Wolmar
В роли: Self - Railway Historian