In the background, and to the Left of the men surrounding Wolfe, an approaching runner is depicted. He is waving his hat in one hand to attract their attention, and with the other hand carries a captured flag with the Fleur-de-lis (a symbol of France) - symbolic of the news relayed to the dying Wolfe that the French were being defeated.
The inclusion of Simon Fraser, Lieutenant Colonel of the 78th Fraser Highlanders (behind the man in green uniform, identified in the painting as Sir William Johnson) is interesting, as General Wolfe had always spoken highly of Fraser's regiment, yet Fraser was not at the battle, as he was recovering from wounds received earlier. In the painting, Fraser wears the Fraser tartan, which was probably worn by officers in that regiment. All in all only four of the fourteen men depicted were actually at the battleground.