The 21-year-old was born in Fiji but moved to England with his family when he was three-years-old.
He currently plays for Bath in England and got his first call up to join the England rugby team back in 2017.
Some other players included in the squad by Coach Eddie Jones are Maro Itoje, Mako Vunipola, Billy Vunipola, Owen Farrell, Manu Tuilagi, Anthony Watson and Ben Youngs.
Among those missing out are Brad Shields and Danny Cipriani.
England is pooled Tonga, France, Argentina and USA.
The Rugby World Cup will be held from the 20th of September to the 2nd of November.
England’s Rugby World Cup Squad
Dan Cole (Leicester, 86 caps)
Luke Cowan‑Dickie (Exeter, 12 caps)
Tom Curry (Sale, 11 caps)
Ellis Genge (Leicester, 10 caps)
Jamie George (Saracens, 37 caps)
Maro Itoje (Saracens, 27 caps)
George Kruis (Saracens, 32 caps)
Joe Launchbury (Wasps, 59 caps)
Courtney Lawes (Northampton, 72 caps)
Lewis Ludlam (Northampton, 1 cap)
Joe Marler (Harlequins, 58 caps)
Kyle Sinckler (Harlequins, 22 caps)
Jack Singleton (Saracens, 1 cap)
Sam Underhill (Bath, 9 caps)
Billy Vunipola (Saracens, 42 caps)
Mako Vunipola (Saracens, 53 caps)
Mark Wilson (Newcastle/Sale, 13 caps)
Joe Cokanasiga (Bath, 5 caps)
Elliot Daly (Saracens, 31 caps)
Owen Farrell (Saracens, 70 caps)
George Ford (Leicester, 56 caps)
Piers Francis (Northampton, 5 caps)
Willi Heinz (Gloucester, 1 cap)
Jonathan Joseph (Bath, 41 caps)
Jonny May (Leicester, 45 caps)
Ruaridh McConnochie (Bath, uncapped)
Jack Nowell (Exeter, 33 caps)
Henry Slade (Exeter, 22 caps)
Manu Tuilagi (Leicester, 33 caps)
Anthony Watson (Bath, 34 caps)
Ben Youngs (Leicester, 86 caps)
Among those missing out:
Brad Shields, Harry Williams, Ben Spencer, Danny Cipriani and Charlie Ewels.