Morby-Smith made his first-class debut for Natal in 1958–59, playing five matches and scoring 223 runs at an average of 37.16.
He toured England in 1961 with the South African Fezela XI of promising young players.
In four matches in the Currie Cup he scored 451 runs at 56.37 batting at number three.
In the first three matches he made 99 and 41 against Eastern Province,[2] 60 and 101 (his first century) against Transvaal,[3] and 77 and 31 against Natal.
[5] Morby-Smith made his highest score, 127, in a friendly match against Eastern Province in 1964–65.