The 2026 Rugby League World Cup begins on Thursday 15 October, with Australia meeting New Zealand at Allianz Stadium.
Matches will be staged across Australia, New Zealand and Papua New Guinea, before the final at Suncorp Stadium on Sunday 15 November.
New Zealand's squad includes four Penrith players: Moses Leota, Casey McLean, Isaiah Papali'i and Scott Sorensen.
Leota, Papali'i and Sorensen return after appearing at the 2022 World Cup, while McLean is set for his first tournament.
McLean has scored eight tries in four Tests for New Zealand.
The Kiwis' forwards also include former Penrith player James Fisher-Harris.
Australia, Samoa and Tonga have also selected Panthers players for their World Cup squads.