| 角色 | 演員 | 備註 |
| J.P. Morgan (4 episodes, 2012) | Eric Rolland | |
| John D. Rockefeller (4 episodes, 2012) | Tim Getman | |
| Andrew Carnegie (4 episodes, 2012) | Adam Jonas Segaller | |
| Old J.P. Morgan (4 episodes, 2012) | Ray Reynolds | |
| Thomas Edison (4 episodes, 2012) | Justin Morck | |
| Dock Slave (4 episodes, 2012) | Reuel Pendleton | |
| Nikola Tesla (3 episodes, 2012) | Alex Falberg | |
| Young Andrew Carnegie (2 episodes, 2012) | Aj Achinger | |
| William Vanderbilt (2 episodes, 2012) | Michael Chmiel | |
| Rockefeller Bailiff (2 episodes, 2012) | Pete Garvey | |
| J.P. Morgan's Butler (2 episodes, 2012) | 馬修·古利（Matthew Gooley） | |
| Pennsylvania Railroad Office Worker (2 episodes, 2012) | Donald Imm | |
| Butler to JP Morgan (2 episodes, 2012) | David Itchkawitz | |
| Homestead Steelworker (2 episodes, 2012) | Scott Lockhart | |
| Thomas Scott (2 episodes, 2012) | Don Meehan | |
| Construction Worker (2 episodes, 2012) | Mitchell Musolino | |
| Henry Frick's Secretary (2 episodes, 2012) | Jenna St. John | |
