| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Campbell Scott | Cast | Actor | Self - Narrator (voice) | 4 |
 John C. Bailey | Cast | Actor | Henry Clay Frick | 4 |
Donny Deutsch | Cast | Self - Advertising Mogul | 4 | |
 Justin Morck | Cast | Actor | Thomas Edison | 4 |
 Mark Cuban | Cast | Actor | Self - Owner Dallas Mavericks | 4 |
 Daniel Martin Berkey | Cast | Actor | Junius Morgan | 4 |
 Einar Gunn | Cast | Actor | George Westinghouse | 4 |
John Keabler | Cast | Charles M Schwab | 4 | |
Eric Rolland | Cast | J.P Morgan (The Younger) | 4 | |
Tim Getman | Cast | John D. Rockefeller | 4 | |
Adam Jonas Segaller | Cast | Andrew Carnegie (The Elder) | 4 | |
Ray Reynolds | Cast | J.P. Morgan (The Elder) | 4 | |
 Alex Falberg | Cast | Nikola Tesla | 4 | |
Michael Chmiel | Cast | William Vanderbilt | 4 | |
David Donahoe | Cast | Cornelius Vanderbilt | 4 | |
Daniel Odell | Cast | President William McKinley | 4 | |
Cary Donaldson | Cast | Henry Ford | 4 | |
Don Meehan | Cast | Thomas Scott | 4 | |
 H.W. Brands | Cast | Actor | Self - Historian | 4 |
James Kidd | Cast | William Jennings Bryan | 4 | |
 AJ Achinger | Cast | Actor | Andrew Carnegie (The Younger) | 4 |
Kenneth Cavett | Cast | Jim Fisk | 4 | |
Cameron McNary | Cast | Jay Gould | 4 | |
Joseph Wiegand | Cast | Theodore Roosevelt | 4 | |
| Person | Type | Job | Role(s) | Episodes |
