An abandoned industrial complex by Lake Michigan was once a top-secret military compound; new discoveries reveal what really happened here and why the government turned its back on this juggernaut. Stories: 1) Nike Missile Sites and Gary, Indiana, USA; 2) Vindolanda, Northumberland, UK; 3) Dire Dawa Railway Yard, Ethiopia; 4) Kaunas Fortress, Lithuania
| Name | Type | Role | |
|---|---|---|---|
| Tom Williams | Producer | Series Producer | |
| Andrew Lessner | Producer | for SCIENCE CHANNEL | |
| Luke Wales | Producer | Series Producer | |
| Claire Barratt | Guest Star | Self - Engineer | |
| Sascha Auerbach | Guest Star | Self - Historian | |
| Virgil Frey | Guest Star | Self - Local Resident, Gary, Indiana | |
| Rob Bell | Guest Star | Self - Engineer and Adventurer | |
| Valdas Rakutis | Guest Star | Self - Local Historian, Kaunas Fortress | |
| Andrew Birley | Guest Star | Self - Archaeologist, Vindolanda Trust | |
| Michele Mitchell | Guest Star | Self - Historian and Author | |
| Geoffrey 'Geoff' Wawro | Guest Star | Self - Historian and Author | |
| Shini Somara | Guest Star | Self - Engineer | |
| Dougal Jerram | Guest Star | Self - Earth Scientist | |
| Basha Ali Omer | Guest Star | Self - Railway Ward Supervisor, Ethiopia | |
| Jim Meigs | Guest Star | Self - Author and Journalist | |
| Dominic Selwood | Guest Star | Self - Historian and Author | |
| James S. Corum | Guest Star | Self - Military Historian | |
| Lynette Nusbacher | Guest Star | Self - Military Historian | |
| Neil Laird | Executive Producer | for SCIENCE CHANNEL | |
| Bruce Burgess | Executive Producer | ||
| Henry Scott | Executive Producer | ||
| Luke Wales | Director | ||
| Tom Williams | Director |