Sean O'Callaghan
Acting
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.
Known For

World in Action was Granada Television’s flagship ITV current affairs series, running from 7 Jan 1963 to 7 Dec 1998, and built a reputation for film-led investigative reporting and a forceful editorial stance. Its journalism produced major public and political repercussions—including investigations associated with miscarriages of justice such as the Birmingham Six—and it also served as a platform for landmark documentary projects, including the first broadcast of “Seven Up!” as part of the strand in 1964.
World in Action
The story of how IRA terrorists murdered five people in 1984 when they planted a bomb at Brighton's Grand Hotel in an attempt to assassinate British Prime Minister Margaret Thatcher.
Brighton Bomb
Detailed evidence of how the IRA got arms from Libya in order to defeat the British in Ireland.
Gadaffi and the IRA
The story of Sean O'Callaghan , self-confessed IRA bomb-maker, murderer and double agent, jailed for 539 years in 1988, but released in 1996. Interviews, archive footage and dramatic reconstructions help tell O'Callaghan's remarkable story. (BBC Genome)