Sean O'Callaghan
- Métier
- Interprétation
- Naissance
- 26 janvier 1954
- Lieu de naissance
- Tralee, County Kerry, Ireland
- Décès
- 23 août 2017
Biographie
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.