The Otago Nuggets guard was confirmed for the Tall Blacks 3×3 Commonwealth Games squad yesterday.
McCullough has missed the past two games for the Nuggets, having been at the 3×3 World Cup.
He joins an unchanged line-up from the World Cup for the Games.
Tai Wynyard, Dominique Kelman-Poto and Jayden Bezzant were also confirmed.
Otago-born guard Richie Rodger was named as a reserve, as was Zach Easthope.
On the Tall Ferns 3×3 side, Jillian Harmon was included in a team that was also unchanged from the World Cup.
Harmon is yet to be confirmed as a Southern Hoiho signing, although was reported as a signing with the team by the NBL, set to join the team late.
Kalani Purcell, Ella Fotu and Tiarna Clarke are also in the squad.
Tayla Dalton and Sharne Pupuke-Robati have been named as reserves.
