Guest Stars Josh Stewart as Sanford Conover Lili Taylor as Mary Todd Lincoln Spencer Treat Clark as Lewis Powell Anne Dudek as Ellen Stanton Larry Pine as William Henry Seward Daniel Croix as Joseph "Peanuts" Burroughs C.J. Hoff as Louis Weichman Co Starring Carrie Lazar as Mrs. Mary Surratt Maxwell Korn as Robert Lincoln Walker Babington as Edward "Ned" Spangler Tommie Turvey as George Atzerodt Chip Lane as Chief Security Guard Carlos Luckie Jr. as William Bell Rebecca Ray as Fanny Seward Harrison Stone as Stanton's Doctor Jason Kirkpatrick as Sgt. Silas Cobb Carrie Anne Hunt as Clara Harris Chris Mayers as Harry Hawks Davin Allen Grindstaff as Box Office Manager Joshua Bowman as Freddie Seward Kate Croonquist as Augusta Kathleen Hogan as Mrs. Mountchessin