| Name | Character | Episodes |
|---|---|---|
| Thomas Gibson | William Sprague | 2 |
| James Gammon | Gen. Ulysses S. Grant | 2 |
| Jeffrey DeMunn | William Herndon | 2 |
| Ruby Dee | Elizabeth Keckley | 2 |
| Steven Culp | Johnny Hay | 2 |
| Mary Tyler Moore | Mary Todd Lincoln | 2 |
| John McMartin | Salmon P. Chase | 2 |
| Sam Waterston | Abraham Lincoln | 2 |
| Richard Mulligan | William H. Seward | 2 |
| John Houseman | Gen. Winfield Scott | 2 |
| Tim Guinee | Col. Elmer Ellsworth | 2 |
| Jon DeVries | Secretary of War Edwin Stanton | 2 |
| Cleavon Little | Frederick Douglass | 2 |
| Robin Gammell | Stephen Douglas | 2 |
| Deborah Adair | Kate Chase | 2 |
| Gregory Cooke | Robert Lincoln | 2 |
| Tom Brennan | Sen. Charles Sumner | 2 |
| David Leary | Gen. George McClellan | 2 |