|Full name||James Archibald Platt|
|Date of birth||26 January 1952|
|Place of birth||Ballymoney, Northern Ireland|
|Height||1.83 m (6 ft 0 in)|
|1978–1979||→ Hartlepool United (loan)||13||(0)|
|1978–1979||→ Cardiff City (loan)||4||(0)|
|1995||Darlington (joint manager with David Hodgson)|
|* Senior club appearances and goals counted for the domestic league only|
During his career, Platt won 23 caps for Northern Ireland, an amount largely restricted due to the presence of Pat Jennings in the side. At club level, Platt played for the majority of his career at Middlesbrough, and also played for Hartlepool United, Cardiff City and Ballymena United. Platt was also in the Irish team that won the Home Championship the last time it was played.
Managerial and coaching career
As a manager, Platt's first job was to take charge of Ballymena United for a season from 1984–85, after which he had a longer spell at Coleraine, managing them for six years from 1985 to 1991. In 1991, he had another short spell, this time at Ballyclare, for just one season from 1991–92.
For the 1992–93 season, Platt was given the job of managing Swedish outfit Assyriska, in the Swedish First Division. He had a two-season spell managing Darlington one partly with David Hodgson then the other from 1995–96, before leaving full-time management to take a job with Gateshead.
Previously Middlesbrough’s Chief Coach at their Football Community Centre. He ran a private football school for local primary school around the Middlesbrough/Stockton Area.
Platt is the uncle of Angela Platt, a former goalkeeper with both the Ireland women's national field hockey team and the Northern Ireland women's national football team. His nephew and Angela's brother, David Platt, is also a former footballer and played as a goalkeeper for Limavady United, Finn Harps and Derry City. He later managed Coleraine and Limavady United. 
- "Darlington part company with Todd". BBC Sport. 2009-09-26. Retrieved 2009-09-26.
- "NCU chief has big plans as Ireland get set for new era". www.belfasttelegraph.co.uk. 7 June 2017. Retrieved 10 March 2019.
- "Kuper names Irish squad". www.irishtimes.com. 1 March 2000. Retrieved 11 March 2019.
- "Ex-Ballymoney hockey 'keeper seeking glory". www.ballymoneytimes.co.uk. 29 June 2013. Retrieved 11 March 2019.
- "Former Ireland women's hockey goalkeeper Angela Platt has made a sensational return to the playing arena with Ballymoney after five years in retirement". www.belfasttelegraph.co.uk. 12 December 2011. Retrieved 24 May 2014.