But, despite the Hearts defender seemingly pulling him back and denying a potential goalscoring opportunity, nothing was given by referee Mike Tumilty.
BBC: Sport - Football - St Johnstone 0-2 Hearts
2.
Parkin went down in the Hamilton penalty area as the hour mark approached, but, again, Tumilty waved away the appeals, with the home fans incensed.
BBC: Sport - Football - Hamilton 1-2 St Johnstone
3.
The Glens opened the scoring after Hamilton checked inside Ryan Tumilty, created space and crossed for Halliday to cushion his header down for Scullion to score.
BBC: Ryan Berry scored Glentoran's second goal in the final