Fact-based teleplay in which a Confederate submersible battles the Union blockade during the waning days of the Civil War. Lt. Dixon: Armand Assante. Gen. Beauregard: Donald Sutherland. Alexander: Alex Jennings. Simkins: Chris Bauer. Capt. Pickering: Gerry Becker. Becker: Michael Dolan. Collins: Stephen Roche. Wicks: Michael Stuhlbarg. Miller: Jefff Mandon. Ronald White: Frank Vogt. Ridgeway: Jack Baun. Carlson: Kevin Robertson.