Ian Karr

Narrator

Daniel Dickrell

Self - Engineering Professor, University of Florida

Lindsay Graham

Self - Historical Writer and Broadcaster

Yohuru Williams

Self - Professor of History, University of St. Thomas

Jeffrey Engel

Self - Professor of History, Southern Methodist University

James Meigs

Self - Technology Journalist, 'Popular Mechanics', Self - Technology Journalist, Popular Mechanics

Davarian L. Baldwin

Self - Professor of American Studies, Trinity College

Stephen Samson

V.i.p, Shiftwhistle

Lindsay Townley

Angelo Rossi, Leonard Blood

Simon Connolly

Herbert Hoover

Greg Jackson

Self - Professor, Utah Valley University

Beckett Graham

Self - Historical Writer and Broadcaster

David Brown

Self - Author, 'The Art of Business Wars', Self - Author, The Art of Business Wars

Meera Wagman

Self - Engineer and Project Consultant

Pete Buttigieg

Self - United States Secretary of Transportation

Brandon Burke

Henry Whitney