Wishart was educated at Kiama High School before playing junior representative for the St George Illawarra Dragons.

[3] Wishart made his debut in round 1 of the 2022 NRL season for Melbourne Storm against Wests Tigers.

[4] He had his jersey (cap 202) presented to him by his father and former Illawarra Steelers player Rod Wishart.

[6][7] Wishart played 14 games for Melbourne in the 2023 NRL season as the club finished third on the table.

[10] Following the Grand Final it was announced Wishart would make his debut for representative debut playing for the Prime Minister's XIII against the PNG Prime Minster's XIII on 13 October 2024,[11][12] scoring a try in the first half.