The 25 year-old centre, who joined Quins from the Newport Gwent Dragons last summer, has already won 15 caps for his country but injury prevented him from adding to this tally during the autumn internationals earlier this season.
The full squad is as follows:
Backs: Kevin Morgan (Dragons), Gavin Henson (Ospreys), Chris Czekaj (Blues), Shane Williams (Ospreys), Gareth Thomas (Toulouse), Jamie Robinson (Blues), Tom Shanklin (Blues), Gavin Evans (Scarlets), James Hook (Ospreys),
Haldane Luscombe (NEC Harlequins), Stephen Jones (Scarlets), Ceri Sweeney (Dragons), Dwayne Peel (Scarlets), Gareth Cooper (Dragons), Michael Phillips (Blues)
Forwards: Gethin Jenkins (Blues), Duncan Jones (Ospreys), Adam Jones (Ospreys), Chris Horsman (Worcester), Rhys Thomas (Blues), Mefin Davies (Gloucester), Matthew Rees (Scarlets), Ian Gough (Dragons), Brent Cockbain (Ospreys), Robert Sidoli (Blues), Scott Morgan (Blues), Alun Wyn Jones (Ospreys), Ryan Jones (Ospreys), Alix Popham (Scarlets), Martyn Williams (Blues), Gavin Thomas (Scarlets), Colin Charvis (Dragons), Gareth Delve (Bath)