Cary Elwes and Matthew Broderick starred in Glory (1989). It's the story of the 54th Massachusetts Volunteer infantry regiment that was one of the first black regiments formed during the Civil War.
David Morse (Abraham Lincoln) previously played George Washington in John Adams (2008).
Sam Elliot (Ward Lamon) played General John Buford in Gettysburg (1993) Gettysburg: la dernière bataille (1993)
This is no longer a film. It may have once in development but as of right now the only way to experience this with the audiobook written by the writer/director Sean Conant. All of the voices are retained and the plot line is supposedly the same.
The late Kevin Conway portrayed the character Kilrain in Gettysburg 1993 and in the prequel God's and Generals