- Derek Jacobi
- Â Narrator 10 episodes, 2019
- Geoffrey Wawro
- Â Self - Professor of Military History, University of North Texas 6 episodes, 2019
- James Holland
- Â Self - Author, The War in the West / ... 5 episodes, 2019
- Saul David
- Â Self - Professor of Military History, University of Buckingham 4 episodes, 2019
- Sönke Neitzel
- Â Self - Professor of War Studies, University of Potsdam 4 episodes, 2019
- Phillips O'Brien
- Â Self - Professor of Strategic Studies, University of St. Andrews / ... 4 episodes, 2019
- Max Hastings
- Â Self - Author, Inferno: The World at War / ... 4 episodes, 2019
- Justin Bronk
- Â Self - Royal United Services Institute, London 3 episodes, 2019
- Craig L. Symonds
- Â Self - Professor of Maritime History, U.S. Naval War College 3 episodes, 2019
- Peter Lieb
- Â Self - Historian, Potsdam, Germany / ... 3 episodes, 2019
- Jochen Hellbreck
- Â Self - Professor of History, Rutgers University 2 episodes, 2019
- Laura Lawfer Orr
- Â Self - Co-Author, Never Call Me a Hero 2 episodes, 2019
- Michael Lynch
- Â Self - University of Leicester 2 episodes, 2019
- Tami Davis Biddle
- Â Self - Author, Rhetoric and Reality in Air Warfare / ... 2 episodes, 2019
- Timothy Orr
- Â Self - Associate Professor of Military History, Old Dominion University, U.S. 2 episodes, 2019
- Jonathan Parshall
- Â Self - Co-Author, Shattered Sword / ... 2 episodes, 2019
- Joshua Levine
- Â Self - Author, Operation Fortitude: The Greatest Hoax of the Second World War / ... 2 episodes, 2019
- David Glantz
- Â Self - Military Historian / ... 2 episodes, 2019
- Sayuri Gutherie Shimizu
- Â Self - Professor of History, Rice University 2 episodes, 2019
- Samuel Hideo Yamashita
- Â Self - Professor of History, Pomona College 2 episodes, 2019
- Andrew Lambert
- Â Self - Professor of Naval History, King's College London 1 episode, 2019
- Stephen Bungay
- Â Self - Author, The Most Dangerous Enemy: A History of the Battle of Britain 1 episode, 2019
- Joe Cattini
- Â Self - D-Day Veteran 1 episode, 2019
- Richard B. Frank
- Â Self - Author, Downfall: The End of the Imperial Japanese Empire 1 episode, 2019
- Sergei Kudryashov
- Â Self - German Historical Institute, Moscow 1 episode, 2019
- Rikola-Gunnar Lüttgenau
- Â Self - Director of the Buchenwald Memorial Foundation 1 episode, 2019
- John C. McManus
- Â Self - Professor of Military History, Missouri University of Science and Technology 1 episode, 2019
- Norman Ohler
- Â Self - Author, 'Blitzed: Drugs in Nazi Germany' 1 episode, 2019
- Denys Hunter
- Â Self - D-Day Veteran 1 episode, 2019
- Nigel Parker
- Â Self - Author, Luftwaffe Crash Archive 1 episode, 2019
- Geoffrey P. Megargee
- Â Self - United States Holocaust Memorial Museum (as Dr Geoffrey P. Megargee 1 episode, 2019
- Steve Twomey
- Â Self - Author, Countdown to Pearl Harbor 1 episode, 2019
- Alessio Patalano
- Â Self - Author, Post-War Japan as a Sea Power 1 episode, 2019
- Reina Pennington
- Â Self - Professor of History, Norwich University, Vermont 1 episode, 2019
- Alex Moskovic
- Â Self - Concentration Camp Survivor 1 episode, 2019
- Geoffrey Wellum
- Â Self - Squadron Leader, RAF 92nd Squadron 1 episode, 2019
- Kathleen Sullivan
- Â Self - Hibakusha Stories, International Campaign to Abolish Nuclear Weapons (as Dr Kathleen Sullian) 1 episode, 2019
- Philip Sabin
- Â Self - Professor of Strategic Studies Kings College London 1 episode, 2019
- Sebastian Cox
- Â Self - RAF Centre for Air Power Studies 1 episode, 2019
- Dan Plesch
- Â Self - Author, Human Rights After Adolf Hitler (as Dr Dan Plesch) 1 episode, 2019
- Setsuko Thurlow
- Â Self - Hiroshima Survivor 1 episode, 2019
- Frederick Taylor
- Â Self - Author, Dresden: Tuesday 13 February 1945 1 episode, 2019
- Flint Whitlock
- Â Self - Author, The Beasts of Buchenwald 1 episode, 2019