Recurring Guest Characters Various Characters 250 guest appearances Narrator 126 guest appearances Guest Host 4 guest appearances Thomas Jefferson 3 guest appearances Allan McLeod 2 guest appearances Joe Louis 2 guest appearances Andrew Jackson 2 guest appearances Franklin Delano Roosevelt 2 guest appearances Edith Wilson 2 guest appearances Abraham Lincoln 2 guest appearances Martin Luther King Jr. 2 guest appearances Frank Inouye 2 guest appearances Claire Clairmont 2 guest appearances Carl Sagan 2 guest appearances McElroy's Daughter 2 guest appearances Don Mattingly 2 guest appearances Amber Ruffin 1 guest appearances Franklin D. Roosevelt 1 guest appearances Edgar Nixon 1 guest appearances Percy Lavon Julian 1 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥