Sean O'Callaghan
Acting
1/26/1954 - 8/23/2017
Born in: Tralee, County Kerry, Ireland
Biography
Sean O'Callaghan was a member of the Provisional Irish Republican Army, who from the late 1970s to the mid-1980s worked against the organisation from within as a mole for the Irish Government with the Garda Síochána's Special Branch.
