Dan Snow attempts to use the latest satellite technology to reveal the secrets of the Roman Empire, identifying lost cities, amphitheatres and forts.

Dan Snow
as Himself - Presenter

Sarah Parcak
as Herself - Presenter

Gelu Florea
as Himself - Cluj University

Sally Grainger
as Herself - Ancient Food Specialist

Simon Keay
as Himself - University of Southampton

David Mattingly
as Himself - University of Leicester

Christopher Tuttle
as Himself - American Center of Oriental Research