The following is a list of those foreign diplomats, ministers and military personnel that were detailed by their governments to deal with Irish affairs during the Second World War.
| United Kingdom and
Commonwealth |
| Prime Minister (from May 1940) | Mr. Winston Churchill |
| British Representative in Ireland | Sir
John Maffey |
| Governor In Northern Ireland | Lord Abercorn |
| Foreign Secretary | Mr. Anthony Eden |
| Dominion Secretary | Lord Cranborn |
| Chancellor of the Exchequer | Kingsley Wood |
| Permanent Undersecretary to the Dominions Office | Sir
Eric Machtig |
| Min. for Health | Mr. Malcolm MacDonald |
| Min. for Food | Lord Woolten |
| Canadian High Commissioner | Mr. John
Kearney |
| Military Liaison Officer 1940 | Gen.
Harrison |
| Air Attache | Wing Comm. Malcolm Beggs |
| United States Representatives |
| US Ambassador to Ireland | Mr. David Gray |
| Military Attache | Col. John Reynolds |
| Commander US Forces in Northern Ireland | MG.
Russel J Hartle |
| Ireland Desk at the OSS in Washington | Mr.
Carter Nicolas |
| Axis Representatives |
| German Foreign Minister | Joachim Von Ribbentrop |
| German Ambassador to Ireland | Dr.
Eduard Hempel |
| First Secretary, Dublin Legation | Henning Thomsen |
| | Edmund Vessenmayer |
| Italian Representative in Ireland | Vincenzo Beradis |
| Japanese Representative in Ireland | Sam Beppu |
