В ролях
В роли: Self - Presenter
В роли: Self - Geologist (как Dr Janet Sumner)
В роли: Self - Director, Wiltshire Museum
В роли: Self - Heritage Officer, Canal & River Trust
В роли: Self - Heritage Officer, Dudley Canal Trust
В роли: Self - Geologist (как Prof Hugh Torrens)
В роли: Self - Curator, Natural History Museum
В роли: Self - Author, 'The Map that Changed the World'
