| Heritage No | Name | Date of Birth | Place of Birth | Position | Debut |
|---|---|---|---|---|---|
| 1 | Lee Goddard | 1980-05-15 | Pontypridd | Utility back | 2023-05-27 |
| 2 | Jamie Marsh | 1990-03-13 | Merthyr Tydfil | Wing | 2023-05-27 |
| 3 | Sam Pridgeon | 1993-12-10 | Bridgend | Wing | 2023-05-27 |
| 4 | Ben Pinnock | 2001-09-29 | Merthyr Tydfil | Half back | 2023-05-27 |
| 5 | Alex Langworthy | 2002-08-17 | Merthyr Tydfil | Full-back | 2023-05-27 |
| 6 | Shane Lee | 1997-03-03 | Maerdy | Half back | 2023-05-27 |
| 7 | Ben Jones | 1996-09-07 | Bridgend | Full-back | 2023-05-27 |
| 8 | Ross Price | 1992-12-14 | Caerphilly | Prop | 2023-05-27 |
| 9 | Dean Higgs | 1987-02-02 | Merthyr Tydfil | Hooker | 2023-05-27 |
| 10 | Rhodri Evans | 1991-03-27 | Newport | Prop | 2023-05-27 |
| 11 | Craig Lewis | 1986-10-15 | Tredegar | Centre | 2023-05-27 |
| 12 | Diezel Jones | 2004-03-31 | Abergavenny | Half back | 2023-05-27 |
| 13 | Dafydd Hellard | 1985-02-21 | Aberdare | Utility forward | 2023-05-27 |
| 14 | Rhys Davies | 1996-06-09 | Abergavenny | Prop | 2023-05-27 |
| 15 | Zak Williams | 1996-09-17 | Abergavenny | Loose forward | 2023-05-27 |
| 16 | Steffan Collins | 2000-03-30 | Merthyr Tydfil | Utility back | 2023-05-27 |
| 17 | Lewis Phillips | 1996-11-13 | Merthyr Tydfil | Wing | 2023-05-27 |
| 18 | Paul Emanuelli | 1984-01-03 | Newport | Half back | 2023-06-03 |
| 19 | Mark Thomas | 1993-03-29 | Caerphilly | Centre | 2023-06-03 |
| 20 | Mike Hurley | 1986-08-13 | Cardiff | Centre | 2023-06-03 |
| 21 | Shane Kerby | 1997-01-08 | Merthyr Tydfil | Utility back | 2023-06-03 |
| 22 | Liam Watton | 1990-12-07 | Pontypridd | Centre | 2023-06-24 |
| 23 | Michael Roberts | 1982-01-12 | Newport | Prop | 2023-06-24 |
| 24 | Adam Watton | 1994-05-28 | Pontypridd | Centre | 2023-06-24 |
| 25 | Lewys Willacott | 1997-09-21 | Caerphilly | Wing | 2023-06-24 |
| 26 | Gethin King | 1985-11-23 | Merthyr Tydfil | Utility forward | 2023-06-30 |
| 27 | Matthew Jacobs | 1985-02-23 | Oxford | Wing | 2023-06-30 |
| 28 | Scott Britton | 1988-10-20 | Cardiff | Utility forward | 2023-07-08 |
| 29 | David Smith | 1993-05-17 | Bridgend | Prop | 2023-07-08 |
| 30 | Michael Ryan | 1984-12-05 | Pontypridd | Second row | 2023-07-08 |
| 31 | Ross Lewis | 1992-01-17 | Cardiff | Centre | 2023-07-08 |
| 32 | Chris Harris | 1985-03-21 | Rhonnda | Stand off | 2024-01-13 |
| 33 | Ieuan Badham | 2001-11-29 | Haverfordwest | Prop | 2024-01-13 |
| 34 | Marcus Webb | 1997-01-11 | Pontypridd | Full-Back | 2024-06-01 |
| 35 | Henry Parker | 2006-12-21 | Cardiff | Wing | 2024-06-01 |
| 36 | David Hooper | 1993-12-01 | Caerphilly | Centre | 2024-06-01 |
| 37 | Cobi Green | 1999-03-04 | Church Village | Half-Back | 2024-06-01 |
| 38 | Rhys Davies | 2005-04-07 | Caerphilly | Prop | 2024-06-01 |
| 39 | Shaun Morgan | 1988-02-12 | Caerphilly | Prop | 2024-06-01 |
| 40 | Luke Purnell | 1989-10-10 | Caerphilly | Loose Forward | 2024-06-01 |
| 41 | Jacob Lee | 2002-08-08 | Newport | Prop | 2024-06-01 |
| 42 | Lewis Hughes | 1996-02-10 | Bridgend | Wing | 2024-06-01 |
| 43 | Aaron Lloyd | 2005-03-11 | Newport | Back Row | 2024-06-01 |
| 44 | Tyler Jones | 1997-08-13 | Cardiff | Full Back | 2024-06-08 |
| 45 | Jacob Purcell | 2003-01-07 | Bristol | Back Row | 2024-06-08 |
| 46 | George Groves | 2007-08-07 | Abergavenny | Full Back | 2024-06-08 |
| 47 | Jack Hodder | 1995-08-16 | Caerphilly | Centre | 2024-06-08 |
| 48 | Jack Pearce | 2005-08-08 | Newport | Half-Back | 2024-06-15 |
| 49 | Connor Lloyd | 2005-03-11 | Newport | Back Row | 2024-06-15 |
| 50 | Will Keep | 2000-03-02 | Caerphilly | Centre | 2024-06-29 |
| 51 | Lewis Jones | 2005-11-19 | Cardiff | Prop | 2024-06-29 |
| 52 | Lewis Stevens | 2001-02-10 | Caerphilly | Hooker | 2024-06-29 |
