Some of the key witnesses to have appeared at the Mahon Tribunal, formerly chaired by Mr Justice Flood.
Beverley Cooper-Flynn: The Fianna Fáil TD invested half the £50,000 Mr Gilmartin paid to her father, Mr Pádraig Flynn, in overseas funds in October 1989 when she was working for National Irish Bank.
However, Ms Cooper-Flynn told the Dáil last month she didn't know where the money came from, nor did she ask her father.
George Redmond: The former assistant Dublin city and county manager was nearing retirement when Mr Gilmartin mooted his plans for Quarryvale.
Mr Redmond, who is serving a one-year jail sentence for corruption, tipped off a rival developer in west Dublin, who bid against Mr Gilmartin for the land.
Mr Gilmartin claims Mr Redmond was unco-operative and quotes a fellow official, Mr Seán Haughey, as saying "This is going to stop, George".
Owen O'Callaghan: The developer took over the Quarryvale project after Mr Gilmartin got into financial difficulties and brought it to fruition as the Liffey Valley Centre. Mr O'Callaghan will face questions on his business relationship with Mr Gilmartin and his introduction of former government press secretary Mr Frank Dunlop to the project. Mr O'Callaghan and Mr Dunlop will figure centrally in later hearings of the tribunal into corruption allegations surrounding the rezoning of Quarryvale.
Ray Burke: Mr Burke was one of the ministers alleged to have attended a meeting with Mr Gilmartin in Leinster House in February, 1989. Although he is expected to deny any such meeting took place and while he is a minor character in this chapter of the tribunal, his evidence will be watched closely. Some observers believe Mr Burke is angry over the lack of support he has received from his former colleagues since the tribunal started investigating his affairs.