Narrator (8 episodes, 2005)
Self - Journalist (3 episodes, 2005)
Self - Author, 'TR: The Last Romantic' / Self - Author, 'Woodrow Wilson' / Self - Professor of History, University of Texas, Austin (3 episodes, 2005)
Self (3 episodes, 2005)
Self - Author, Founding Fathers / Self - Senior Editor, National Review (3 episodes, 2005)
Self - US President (1977-1981) (3 episodes, 2005)
Self - President, The Aspen Institute (2 episodes, 2005)
Self - Former Presidential Advisor (2 episodes, 2005)
Self - Professor of History, Columbia University (2 episodes, 2005)
Author, 'Hugh Sidney's Portraits of the Presidents' / Self - Author, 'Hugh Sidney's Portraits of the Presidents' / Self - Time Magazine (2 episodes, 2005)
Self - Editor, 'To the Best of My Ability' (2 episodes, 2005)
Self - Professor at Cazenovia College / Author, 'The Presidency of George Bush' (2 episodes, 2005)
Self - Author, 'Chester Alan Arthur' / Self - Author, 'The Last Campaign' (2 episodes, 2005)
Self - Presidential Historian (2 episodes, 2005)
Self - Director of Massachusetts Historical Society (2 episodes, 2005)
Self - Author, 'To End All Wars' (2 episodes, 2005)
Self - Washington Bureau Chief for Newsweek (1965-1985) (2 episodes, 2005)
Self - Author - '1912: The Election That Changed the Country' / Self - Author, '1912: The Election That Changed the Country' (2 episodes, 2005)
Self - White House Correspondent (1 episode, 2005)
Historian / Self - Author (1 episode, 2005)
Self - U.S. Army (1 episode, 2005)
Self - Former U.S. Senator (2 episodes, 2005)
Self - U.S. Congressman (1977-1993) (1 episode, 2005)
Self - Director, Carter House Museum (1 episode, 2005)
Self - Author, James K. Polk (1 episode, 2005)
Self - Author, Making of the President (1 episode, 2005)
Presidential Historian / Self - Author (1 episode, 2005)
Self - Newsweek (1 episode, 2005)
Self - Author, A Brilliant Solution (1 episode, 2005)
Self - Former Special Counsel to President Kennedy (1 episode, 2005)
Self - Author, 'Dark Horse' (1 episode, 2005)
Self - Author, 'Lincoln at Cooper Union' (1 episode, 2005)
Self - Professor Emeritus of History at Indiana University (1 episode, 2005)
Self - Provost, Columbia University (1 episode, 2005)
Self - Author, An American Controversy (1 episode, 2005)
General George Armstrong Custer (1 episode, 2005)
Self - Author, 'Franklin Pierce: N.H.'s Favorite Son' (1 episode, 2005)
Self - Professor of History at Stanford University (1 episode, 2005)
Self - Author, 'Fraud of the Century' (1 episode, 2005)
Self - Author, The Evolving Presidency (1 episode, 2005)
Self - Author, Andrew Jackson vs. Henry Clay (1 episode, 2005)
Self - Professor Emeritus of History at Brandeis University (1 episode, 2005)
Self - Executive Director, Historic Mount Vernon (1 episode, 2005)
Self - Author, 'Benjamin Harrison' (1 episode, 2005)
Self - Author, James K. Polk and the Expansionist Impulse (1 episode, 2005)
Self - Author, 'Rum, Romanism & Rebellion' (1 episode, 2005)
Self - Author, 'Taft: An Intimate History' (1 episode, 2005)
Self - Author, 'Nixon's Shadow: The History of an Image' (1 episode, 2005)
Self - Author, 'The Presidency of Benjamin Harrison' (1 episode, 2005)
Self - Director of Herbert Hoover Presidential Library & Museum (1 episode, 2005)
Self - Professor, UC Davis (1 episode, 2005)
Self - Author, 'The Real Lincoln' (1 episode, 2005)
Self - Executive Director, James Buchanan Foundation (1 episode, 2005)
Self - Historian, Radcliffe Institute for Advanced Study (1 episode, 2005)
Self - Rutherford B. Hayes Presidential Center (1 episode, 2005)
Self - Author, 'William Howard Taft and the First Motoring Presidency' (1 episode, 2005)
Secretary of State (1989-1992) / Self - White House Chief of Staff (1981-1985) (1 episode, 2005)
Self - Professor of History, Goucher College (1 episode, 2005)
Self - Author, 'Andrew Johnson: A Biography' (1 episode, 2005)
Self - Author, 'Breaking the Heart of the World' (1 episode, 2005)
Self - Grandnephew of President Warren G. Harding (1 episode, 2005)
Self - Editor, 'The Papers of Andrew Johnson' (1 episode, 2005)
Self - Gilder Lehrman Center, Yale University (1 episode, 2005)
Self - Author, Making the American Self (1 episode, 2005)
Self (archive footage) (4 episodes, 2005)
Self (2 episodes, 2005)
Self (6 episodes, 2005)
Self (archive footage) (3 episodes, 2005)
Self (archive footage) (2 episodes, 2005)
Self (archive footage) (1 episode, 2005)
Self (archive footage) (unknown episodes)
Lt. W.W. Cooke (uncredited) (1 episode, 2005)