
The pair represented the Cook Islands in the last World Cup in the UK two years ago.
The initial Tonga train-on squad includes Ukuma Ta’ai (Huddersfield), Fuifui Moimoi (Leigh), Atelea Vea (St Helens) and Mickey Paea (Hull).
Also included are ex-London and Huddersfield prop Antonio Kaufusi – and current Catalans winger Michael Oldfield, who is interestingly listed as a South Sydney Rabbitohs player.