During the 1988 Great Britain Lions tour Newcastle hosted a match against the visiting British national team with Kemp playing at centre and scoring a try in the Knights' 12 – 28 loss.
During the 1990 Great Britain Lions tour Kemp was selected to play for New Zealand in all three Test matches against the visiting British national team.
During the 1993–94 season Kemp played at stand-off and scored a drop goal in Castleford's 33–2 victory over Wigan in the 1993–94 Regal Trophy Final at Headingley, Leeds on Saturday 22 January 1994.
[4] During the 1994 Kangaroo tour of Great Britain and France, Castleford hosted a match against the Australian side with Kemp at stand-off in the Tigers' 12 – 38 loss.
In 2000 Kemp, along with all of the other players aged over 24, had his contract with the Wakefield Trinity Wildcats terminated due to the club's financial crisis.
[6] After two years of playing for Wakefield Trinity Wildcats Kemp retired to take over from Andy Kelly as head coach.