- Sam Rockwell
- Self - Narrator
- George Wunderlich
- Self - Executive Director, Museum of Civil War Medicine
- Peter Carmichael
- Self - Director, Civil War Institute
- Garry E. Adelman
- Self - Historian, Civil War Trust
- Steven Knott
- Self - Instructor, U.S. Army War College
- Edward L. Ayers
- Self - Author, The Crucible of the Civil War
- Hari Jones
- Self - Curator, African American Civil War Museum
- James M. McPherson
- Self - Author, Battle Cry of Freedom
- Sean Rich
- Self - 19th Century Weaponry Expert
- Cal de Beer
- Doctor Wilson
- Dean Fourie
- Dan Sickle (2011)
- Greg Kriek
- Jeremiah Gage
- Josh Artis
- Colonel James Wallace
- Greg Berg
- James Wallace
- Anton Blake Horowitz
- General Carl Schurz
- Gary Green
- Union soldier
- Stephen Jennings
- Maj. Gen. George G Meade
- Charles Klausmeyer
- Amos Humiston
- Deborah Lettner
- Fanny Buehler
- Richard Lothian
- Lieutenant Colonel Rufus Dawes
- Pierre Marais
- Union Soldier
- Johnny Ray Meeks
- Private Joseph C. Lloyd
- Tyrel Meyer
- Amos Humiston
- Dylan Skews
- Private Ridgely Howard
- André Sogliuzzo
- Lieutenant Colonel Rufus Dawes
- Jacques Strydom
- Private Anderson
