| Player | Pos | Age | Ground | Date | Match | |
|---|---|---|---|---|---|---|
| GH Muller | W | 22y 76d | Pretoria | 25 Jul 1970 | Details | |
| JS Jansen | C | 22y 170d | Pretoria | 25 Jul 1970 | Details | |
| JJ Spies | L | 25y 78d | Pretoria | 25 Jul 1970 | Details | |
| ID McCallum | FB | 26y 22d | Pretoria | 25 Jul 1970 | Details | |
| JFB van Wyk | H | 26y 216d | Pretoria | 25 Jul 1970 | Details | |
| PJ Visagie | FH | 27y 100d | Pretoria | 25 Jul 1970 | Details | |
| PJF Greyling | F | 28y 70d | Pretoria | 25 Jul 1970 | Details | |
| JH Ellis | F | 28y 201d | Pretoria | 25 Jul 1970 | Details | |
| SH Nomis | W | 28y 252d | Pretoria | 25 Jul 1970 | Details | |
| RW Barnard | (H) | 28y 255d | Cape Town | 8 Aug 1970 | Details | |
| JFK Marais | P | 28y 307d | Pretoria | 25 Jul 1970 | Details | |
| AJ Bates | N8 | 29y 98d | Pretoria | 25 Jul 1970 | Details | |
| DJ de Villiers | SH | 30y 15d | Pretoria | 25 Jul 1970 | Details | |
| JB Neethling | P | 31y 19d | Pretoria | 25 Jul 1970 | Details | |
| FDT Roux | C | 31y 104d | Pretoria | 25 Jul 1970 | Details | |
| JL Myburgh | P | 34y 5d | Port Elizabeth | 29 Aug 1970 | Details | |
| FCH du Preez | L | 34y 239d | Pretoria | 25 Jul 1970 | Details | |
| JA Nel | N8 | 35y 18d | Port Elizabeth | 29 Aug 1970 | Details |
Only the player's first appearance listed
| Records include the following current or recent matches: |
|
South Africa v New Zealand at Johannesburg, 4th Test, Sep 12, 1970 [20-17 FT] |
|
South Africa v New Zealand at Port Elizabeth, 3rd Test, Aug 29, 1970 [14-3 FT] |
|
South Africa v New Zealand at Cape Town, 2nd Test, Aug 8, 1970 [8-9 FT] |
