- Armand Assante
- Lt. George Dixon
- Donald Sutherland
- Gen. Pierre G.T. Beauregard
- Alex Jennings
- Lt. Alexander
- Chris Bauer
- Simkins
- Gerry Becker
- Capt. Pickering
- Michael Dolan
- Becker
- Sebastian Roché
- Collins
- Michael Stuhlbarg
- Wicks
- Jeff Mandon
- Miller
- Frank Vogt
- Ronald White
- Jack Baun
- Ridgeway
- Kevin Robertson
- Carlson
- Caprice Benedetti
- Dixon's Wife
- Jon Huffman
- Indian Chief Captain
- Dane Ritter
- Beauregard's Aide
- James Mayberry
- Bartender
- Nancy Robinette
- Distraught Woman
- Matthew Brady
- John Crosby
- Rhoda Griffis
- Young Lady
- Jonathan Tindle
- Ensign Haseltine
- Bob King
- Husband
- Mitchell Hebert
- Lewis Cornthwait
- Dan DePaola
- Quartermaster
- Kevin Murray
- Minister
- David Dwyer
- Wabash Officer
- Paul Morella
- Wabash Marine
- Marty Lodge
- Confederate Sailor
- Laurie Beasley
- Young Prostitute
- William L. Thomas
- Church Soldier
- David Abrams
- Navy Seaman
- Luke Benko
- Union soldier, USS Housatonic
- Bob the Dog
- Civil War Dog
- Seth Stisher
- Sailor
- Edgar Struble
- Orchestra Conductor
- Joshua Vogel
- Curious Kid on Dock
- Cal Johnson
- Capt. Hunley
- Mike Lutz
- (uncredited)
- Jim Lynch
- Theatre Patron
- Mark Miller
- Union Marine
- Richard A. Payne
- Extra
- Frank Shorter
- Union Marine
- Gregory H. Starbuck
- Union sailor / Confederate squeezebox player (uncredited)
- Jon Taie
- Soldier
- Johnny W. Wilbanks
- Confederate Volunteer, Indian Chief
- Bruce Williamson
- First Engineer / Firefighter (uncredited)
