in 1975–76 with 22 wickets at 31.86, and could not force his way into the test team past Lillee, Thomson, Walker and Gary Gilmour. However the following summer he took 34 wickets at 24.65, including 5–24 against South Australia, earning him a spot on the 1977 Ashes in place of Gilmour. 1977 Ashes Tour While in England, it was revealed he was one of our four tour members who had not been offered a spot with World Series Cricket. He was offered the chance to play cricket in Tasmania but turned it down when he was offered sponsorship from radio station 4IP (who were also sponsoring Gary Cosier and Thomson). Dymock took 15 first wickets at 31.20 on tour but was the only pace bowler who did not play a test.. World Series Cricket 1977–78 Dymock was ignored for national selection during the 1977-78 summer, not picked to play any tests against the touring Indian side and overlooked for the tour of the West Indies. 1978–79 However he began the 1978–79 series well, with 5–45 against Victoria. Dymock was picked to play for Australia for the second test. He took 1-72 and 1-53. He had a better game in the third, taking 3-38 and 2–37 in a rare Australian victory. The fourth test brought him returns of 0-34 and 0-35. He lost his spot for the fifth test. He did replace Rodney Hogg for the ODIs against England. In the second one his 2-21 helped win Australia the game and won Dymock a Man of the Match award. He scored his highest first class score, 67, in a Shield game. He was back in the test team for the second test against Pakistan, taking 3-65 and 1–72 in an Australian victory. 1979 Tour of India He was also selected on the 1979 World Cup and the following tour of India. He took 0–65 in the first test and his batting helped Australia escape with a draw. He was dropped for the second but in the third took 5-99 and 7-67. He became the third bowler in Test cricket's history to dismiss all 11 opposition batsmen after Jim Laker (vs England in 1956) and second being Srinivas Venkataraghavan (vs New Zealand in 1965). In the fourth test he took 4-135 and made 31 not out; in the fifth 2-56 and 4-63; the sixth 2-95. He took 32 first class wickets at