| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 09-Feb-2012 | Iestyn Thomas | Wales | 15-Dec-1976 | 35(56) |
| 05-May-2012 | Stephen Jones | Wales | 08-Dec-1977 | 34(149) |
| 05-May-2012 | Deacon Manu | Fiji | 18-Feb-1979 | 33(77) |
| 09-Feb-2012 | Peter Edwards | Wales | 12-Aug-1980 | 31(181) |
| 21-Apr-2012 | Matthew Rees | Wales | 09-Dec-1980 | 31(133) |
| 05-May-2012 | Sean Lamont | Scotland | 15-Jan-1981 | 31(110) |
| 15-Apr-2012 | Philip John | Wales | 25-Apr-1981 | 30(356) |
| 24-Mar-2012 | Damian Welch | Wales | 28-Jul-1982 | 29(240) |
| 26-Dec-2011 | Rhys Thomas | Wales | 31-Jul-1982 | 29(148) |
| 07-Oct-2011 | Rhodri Gomer Davies | Wales | 11-Jan-1983 | 28(269) |
| 07-Oct-2011 | Richard Pugh | Wales | 10-Aug-1983 | 28(58) |
| 05-May-2012 | Josh Turnbull | Wales | 12-Mar-1984 | 28(54) |
| 02-Dec-2011 | Adam Powell | Wales | 27-Dec-1983 | 27(340) |
| 01-Oct-2011 | Ruki Tipuna | New Zealand | 05-Nov-1983 | 27(330) |
| 15-Apr-2012 | Jon Edwards | Wales | 05-Jul-1984 | 27(284) |
| 21-Apr-2012 | Sione Timani | Tonga | 03-Sep-1984 | 27(230) |
| 24-Mar-2012 | Aled Thomas | Wales | 02-Jan-1985 | 27(81) |
| 05-May-2012 | Dominic Day | Wales | 22-Aug-1985 | 26(257) |
| 05-May-2012 | Andrew Fenby | England | 24-Oct-1985 | 26(194) |
| 09-Feb-2012 | Matt Gilbert | England | 09-Oct-1985 | 26(123) |
| 07-Jan-2012 | Robert McCusker | Wales | 12-Oct-1985 | 26(87) |
| 02-Mar-2012 | Liam Davies | Wales | 05-Oct-1986 | 25(149) |
| 05-May-2012 | Ken Owens | Wales | 03-Jan-1987 | 25(123) |
| 23-Feb-2012 | Lee Williams | Wales | 27-Oct-1986 | 25(119) |
| 05-May-2012 | Rhys Priestland | Wales | 07-Jan-1987 | 25(119) |
| 02-Mar-2012 | Emyr Phillips | Wales | 22-Feb-1987 | 25(9) |
| 05-May-2012 | Aaron Shingler | Wales | 07-Aug-1987 | 24(272) |
| 21-Apr-2012 | Geraint Rhys Jones | Wales | 23-Aug-1987 | 24(242) |
| 02-Mar-2012 | Lou Reed | Wales | 10-Sep-1987 | 24(174) |
| 30-Mar-2012 | Gareth Maule | Wales | 04-Dec-1987 | 24(117) |
| 05-May-2012 | Kieran Murphy | Wales | 19-Jan-1988 | 24(107) |
| 30-Mar-2012 | Jon Davies | Wales | 05-Apr-1988 | 23(359) |
| 05-May-2012 | Ben Morgan | England | 18-Feb-1989 | 23(76) |
| 05-May-2012 | Nick Reynolds | Wales | 07-Apr-1989 | 23(28) |
| 02-Dec-2011 | Daniel Evans | Wales | 15-Nov-1988 | 23(16) |
| 09-Feb-2012 | Villiami Iongi | Tonga | 08-Aug-1989 | 22(185) |
| 02-Mar-2012 | Dan Newton | Wales | 30-Dec-1989 | 22(63) |
| 05-May-2012 | Gareth Davies | Wales | 18-Aug-1990 | 21(261) |
| 24-Mar-2012 | Scott Williams | Wales | 10-Oct-1990 | 21(166) |
| 05-Nov-2011 | Tavis Knoyle | Wales | 02-Jun-1990 | 21(156) |
| 21-Apr-2012 | Adam Warren | Wales | 07-Mar-1991 | 21(46) |
| 05-May-2012 | Liam Williams | Wales | 09-Apr-1991 | 21(27) |
| 05-May-2012 | Rhodri Jones | Wales | 23-Dec-1991 | 20(134) |
| 21-Apr-2012 | George North | Wales | 13-Apr-1992 | 20(8) |
| 24-Sep-2011 | Dale Ford | Wales | 16-Dec-1991 | 19(282) |
| 17-Sep-2011 | Kirby Myhill | Wales | 05-Feb-1992 | 19(224) |
| 30-Dec-2011 | Rhodri Williams | Wales | 05-May-1993 | 18(239) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).