Buford, Brigadier General John division commander in the cavalry who was the first to get to Gettysburg and was responsible for recognizing the good ground and holding it until reinforced
Chamberlain, Colonel Joshua Lawrence former professor from Bowdoin University who commanded the 20th Maine regiment that was primarily responsible for holding Little Round Top. He later was awarded the Congressional Medal of Honor for his bayonet charge against the enemy when out of ammunition
Chamberlain, Lieutenant Thomas Joshua Chamberlain's aide, and his younger brother
Kilrain, Former Sgt. Buster aide to Chamberlain, like a father to him
Hancock, Major General Winfield Scott II Corps commander; dynamic and brave, who on more than one occasion saved the battle
Meade, Major General George Gordon commander of the Union Army who received this command just before Gettysburg
Reynolds, Major General John F. I Corps commander; a fine commander killed the first day of battle
Rice, Colonel James M. commander of the 44th New York regiment in Vincent's brigade
Vincent, Colonel Strong Chamberlain's commander
Sickles, Major General Daniel (Bully Boy) III Corps commander who was infamous for killing Barton Key (Francis Scott Key's son) for having an affair with his wife
Doubleday, Major General Abner 3rd division commander in the I Corps who was replaced the amid reports he failed to manage his command well
Gibbon, Brigadier General John division commander in Hancock's II Corps who had three brothers fighting on the Confederate side, and had a reputation as a cold, icy man
Hazlett, Lieutenant Charles E. commander of Battery D, 5th U.S. Artillery in the V Corps, who reinforced Chamberlain and the other groups fighting on Little Round Top. He was killed shortly after arriving there
Hooker, Major General Joseph (Fighting Joe) commander of the Army of the Potomac until the night before Gettysburg when he was replaced by Meade
Howard, Major General Oliver O. XI Corps commander who outranked Hancock on the field but had to submit to Hancock's command on the first day of battle.
McClellan, General George B. commander of the Union Army, well liked by many of the troops, who was replaced for being too cautious
Warren, Brigadier General Gouverneur, K. member of Meade's command staff who was responsible for getting Vincent's men onto Little Round Top minutes before the Confederates tried to take possession of it
Weed, Brigadier General Stephen H. commander of a brigade in V Corps that reinforced the men fighting for Little Round Top
