Guest Stars Josh Stewart as Sanford Conover Lili Taylor as Mary Todd Lincoln Spencer Treat Clark as Lewis Powell Anne Dudek as Ellen Stanton Betty Gabriel as Elizabeth "Lizzie" Keckley Daniel Croix as Joseph "Peanuts" Burroughs Larry Pine as William Henry Seward C.J. Hoff as Louis Weichman Joshua Mikel as John Surratt Jr. Co Starring Antonio J. Bell as Milo Simms Maxwell Korn as Robert Lincoln Carrie Lazar as Mrs. Mary Surratt Roger Payano as Oswell Swann Tommie Turvey as George Atzerodt Walker Babington as Edward "Ned" Spangler Kevin Patrick Murphy as Lieutenant Luther Baker Don A. King as Southern Congressman #1 Chip Lane as Chief Security Guard Elizabeth June as Mary Simms' Grandmother Jeronimo Spinx as Uncle Henry Chris Gerard as William Parker Brielle Oliver as Young Mary Simms Stephanie McInnis as Mary Simms' Older Aunt Shawn Randall Howard as Stable Manager Julie Ivey as Miss Rachel Tom McCafferty as Mr. Gorsuch Glenn H. Allen as White Neighbor Sam Balas as Tom Gorsuch, Jr. Andre Haskett as Mary Simms' Male Cousin
