[1] Born in East Melbourne in Victoria, Australia, Drybrough attended Highgate School in North London from 1950 to 1957 and scored 128 not out at Lord's for the Southern Schools against The Rest and captained the Public Schools against the Combined Services.
He achieved his highest first-class score against the 1961 Australians with 88, and followed that up in the very next match with 7 for 35 in Leicestershire's second innings to give Oxford victory by 35 runs.
He retired from first-class cricket in 1964 after two seasons in charge in which Middlesex finished sixth each time.
In all he played in 92 first-class matches for Middlesex between 1958 and 1964 as a right-handed batsman and an orthodox slow left-arm bowler, taking 206 wickets at 27.77, with a personal best of 7 for 94, including a hat-trick, against Northamptonshire in 1964.
[3] He also played for Melville CC in Western Australia.