Select season:
Wales's oldest players during the 1966 season, and their age in years and days on the occasion of their final appearance, starting or coming on as a substitute.
For each player age is given in days, and in years and days, from their date of birth.
| Player | Age (Y:d) | Age (days) | Match |
|---|---|---|---|
| Ivor Allchurch | 36:157 | 13306 | 22 May 1966v Chile |
| Stuart Williams | 35:145 | 12929 | 01 Dec 1965v Denmark |
| Roy Vernon | 28:350 | 10577 | 30 Mar 1966v Northern Ireland |
| Dave Hollins | 28:99 | 10326 | 14 May 1966v Brazil |
| Graham Williams | 28:50 | 10277 | 22 May 1966v Chile |
| Graham Moore | 25:75 | 9207 | 22 May 1966v Chile |
| Alan Durban | 24:315 | 9081 | 18 May 1966v Brazil |
| Glyn James | 24:156 | 8922 | 22 May 1966v Chile |
| Mike England | 24:118 | 8884 | 30 Mar 1966v Northern Ireland |
| Colin Green | 24:97 | 8863 | 18 May 1966v Brazil |
| Wyn Davies | 24:63 | 8829 | 22 May 1966v Chile |
| Ron Davies | 23:362 | 8763 | 22 May 1966v Chile |
| Gil Reece | 23:271 | 8672 | 30 Mar 1966v Northern Ireland |
| Terry Hennessey | 23:263 | 8664 | 22 May 1966v Chile |
| Barry Hole | 23:248 | 8649 | 22 May 1966v Chile |
| Keith Pring | 23:72 | 8473 | 22 May 1966v Chile |
| Tony Millington | 22:351 | 8387 | 22 May 1966v Chile |
| Peter Rodrigues | 22:121 | 8157 | 22 May 1966v Chile |
| Ronnie Rees | 22:47 | 8083 | 22 May 1966v Chile |
| Gary Sprake | 20:361 | 7666 | 30 Mar 1966v Northern Ireland |