Arnold combines her acting work with charity work and from 2009-2011 was an Ambassador for UNICEF Ireland.
Ireland | Northern Ireland | Republic of Ireland | United Kingdom of Great Britain and Ireland | UNICEF | Ireland national rugby union team | Church of Ireland | New Ireland Province | Lord Lieutenant of Ireland | Lord Chancellor of Ireland | Lord Deputy of Ireland | Northern Ireland national football team | National University of Ireland | High King of Ireland | All-Ireland Senior Hurling Championship | All-Ireland Senior Football Championship | League of Ireland | President of Ireland | Northern Ireland Assembly | New Ireland | Kingdom of Ireland | Lord Chief Justice of Ireland | Attorney-General for Ireland | National University of Ireland, Galway | National Library of Ireland | Music of Ireland | All-Ireland Senior Camogie Championship | Secretary of State for Northern Ireland | Police Service of Northern Ireland | Solicitor-General for Ireland |