| Full name: | Dudley George Helfrich |
| Born: | 17th May 1912, Kimberley, Cape Province, South Africa |
| Died: | 13th June 1980, Witbank, Transvaal, South Africa |
| Occasional wicket-keeper | |
| Relations: | Brother: K Helfrich; Brother: BA Helfrich; Brother: CD Helfrich |
| Teams: | Griqualand West (Main FC: 1929/30-1934/35); Transvaal (Main FC: 1936/37); North Eastern Transvaal (Main FC: 1937/38-1939/40); All teams |
| Lists of matches and more detailed statistics | |
| First-Class Career Batting and Fielding (1929/30-1939/40) | ||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | Ct | St | |
| Overall | 28 | 52 | 0 | 1301 | 92 | 25.01 | 0 | 10 | 11 | 1 |
| First-Class Career Bowling (1929/30-1939/40) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM | SRate | Econ | |
| Overall | 669 | 10 | 343 | 12 | 3-87 | 28.58 | 0 | 0 | 55.75 | 3.07 |