출연진
Eva Sweeney
Young Maureen Flavin Sweeney
Colin Wright
General Dwight D. Eisenhower
Mike Johnson
Captain James Stagg
John Downes
Met Éireann Telephone Operator
Antony Beevor
Self - Historian
Robert Gerwarth
Self - Historian
Susan Eisenhower
Self - Eisenhower's Granddaughter
Joseph Skelly
Self - Historian
Richard G. Trefry
Self - Retired US Army Lt. General
Maureen Flavin Sweeney
Self - Weather Observer (1944)
Gerald Fleming
Self - Meteorologist
David McCullagh
Self - Journalist
Catherine Ross
Self - British Met Office Archivist
Jeremy Green
Self - British Military Police Colonel
Rodney Teck
Self - Climate Researcher
John C. Sweeney
Self - Climate Researcher
Vincent Sweeney
Self - Lighthouse Keeper
Richard Callaghan
Self - Royal MP Museum Curator
Joe Cattini
Self - D-Day Veteran
아돌프 히틀러
Self - Politician (archive footage)
Bernard Montgomery
Self - British Military (archive footage)