Gettysburg Online

Sam Rockwell - Self - Narrator (voice) , George Wunderlich - Self - Executive Director, Museum of Civil War Medicine, Peter Carmichael - Self - Director, Civil War Institute (as Dr. Peter Carmichael) , Garry E. Adelman - Self - Historian, Civil War Trust (as Garry Adelman) , Steven Knott - Self - Instructor, U.S. Army War College (as Captain Steven Knott) , Edward L. Ayers - Self - Author, The Crucible of the Civil War (as Dr. Edward Ayers) , Hari Jones - Self - Curator, African American Civil War Museum, James M. McPherson - Self - Author, Battle Cry of Freedom (as James McPherson) , Sean Rich - Self - 19th Century Weaponry Expert, Cal de Beer - Doctor Wilson, Dean Fourie - Dan Sickle (2011), Greg Kriek - Jeremiah Gage