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Eva Sweeney as Young Maureen Flavin Sweeney |
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Colin Wright as General Dwight D. Eisenhower |
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Mike Johnson as Captain James Stagg |
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John Downes as Met Éireann Telephone Operator |
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Antony Beevor as Self - Historian |
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Robert Gerwarth as Self - Historian |
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Susan Eisenhower as Self - Eisenhower's Granddaughter |
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Joseph Skelly as Self - Historian |
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Richard G. Trefry as Self - Retired US Army Lt. General |
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Maureen Flavin Sweeney as Self - Weather Observer (1944) |
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Gerald Fleming as Self - Meteorologist |
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David McCullagh as Self - Journalist |
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Catherine Ross as Self - British Met Office Archivist |
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Jeremy Green as Self - British Military Police Colonel |
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Rodney Teck as Self - Climate Researcher |
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John C. Sweeney as Self - Climate Researcher |
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Vincent Sweeney as Self - Lighthouse Keeper |
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Richard Callaghan as Self - Royal MP Museum Curator |
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Joe Cattini as Self - D-Day Veteran |
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Adolf Hitler as Self - Politician (archive footage) |
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Bernard Montgomery as Self - British Military (archive footage) |
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Dwight D. Eisenhower as Self - US Military (archive footage) |
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Éamon de Valera as Self - Politician (archive footage) |
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Erwin Rommel as Self - German Military (archive footage) |
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Franklin D. Roosevelt as Self - Politician (archive footage) |
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James Stagg as Self - Meteorologist (archive footage) |
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Joseph Goebbels as Self - Politician (archive footage) |
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Iósif Stalin as Self - Politician (archive footage) |
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Winston Churchill as Self - Politician (archive footage) |
| Costume & Make-Up | Clodagh Deegan | Wardrobe Supervisor |
| Art | David Johnstone | Art Direction |
| Production | Jen Dunbar | Production Manager |
| Editing | Juangus Dinsmore | Editor |
| Camera | Seamus Deasy | Director of Photography |
| Production | Nuala Cunningham | Producer |
| Directing | Gerry Gregg | Director |
| Writing | Gerry Gregg | Writer |
| Costume & Make-Up | Khaki Devil | Costume Designer |
| Sound | Brendan Deasy | Sound Recordist |
| Production | Ciarán O'Connor | Executive Producer |
| Production | Paul Myler | Co-Producer |
| Production | Colm O'Callaghan | Executive Producer |
| Art | David Johnstone | Property Master |
| Sound | Ken Galvin | Sound Re-Recording Mixer |
| Crew | Aishling Vesey | Post Production Supervisor |
