Wales, hoping to build on encouraging displays in the World Cupagainst New Zealand and England, kick off their Six Nations campaign at home toScotland on February 14th.
Only two of the squad - Charvis and Leeds back-row forward AlixPopham - are not involved in Wales' new regional set-up.
It is Hansen's last season in charge before returning home to NewZealand, where he is expected to become All Blacks supremo Graham Henry'sassistant coach.
European quarter-finalists Llanelli provide seven squad members,as do Cardiff Blues, while there are eight Celtic Warriors representativesand five from Neath-Swansea Ospreys. Hal Luscombe and Michael Owen fly theGwent Dragons' flag. Rhys Williams, Garan Evans and Gareth Thomas would appear to bethe full-back options, with Kevin Morgan currently sidelined through anankle injury.
"We are happy with the form of all the players, and the morecompetition we have the better it is," Hansen said. "The process has been made more difficult than normal due to
Backs: Garan Evans (Llanelli Scarlets), Rhys Williams (Cardiff Blues),Shane Williams (Neath-Swansea Ospreys), Craig Morgan (Cardiff Blues),Gareth Thomas (Celtic Warriors), Hal Luscombe (Gwent Dragons), Jamie Robinson(Blues), Mark Taylor (Scarlets), Tom Shanklin (Blues), Sonny Parker (Warriors),Iestyn Harris (Blues), Ceri Sweeney (Warriors), Stephen Jones (Scarlets),Dwayne Peel (Scarlets), Gareth Cooper (Warriors)
Forwards: Iestyn Thomas (Scarlets), Duncan Jones (Ospreys), Adam Jones(Ospreys), G Jenkins (Warriors), Robin McBryde (Scarlets), Gareth Williams(Blues), Mefin Davies (Warriors), Robert Sidoli (Warriors), Brent Cockbain(Warriors), Gareth Llewellyn (Ospreys), Michael Owen (Dragons), Colin Charvis (Tarbes,FRA, capt), Dafydd Jones (Scarlets), Jonathan Thomas (Ospreys), MartynWilliams (Blues), Alix Popham (Leeds)