Sean O'Callaghan
- Professione
- Recitazione
- Nascita
- 26 gennaio 1954
- Luogo di nascita
- Tralee, County Kerry, Ireland
- Morte
- 23 agosto 2017
Biografia
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.