Trevor Chappell few days later [Austin] Robinson, Dennis' manager, rang and said, "Do you want to join World Series Cricket" and I said, "Yeah, where do I sign?"" In 1977–78 Chappell played ten games for WSC Australia in the Country Cup, scoring 339 runs, more than any other Australian batsman, although his average was only 26. A highlight was a 110 he scored against the West Indies in Albury. He also scored 56 off 300 minutes against a World XI in a Lismore game which resulted in him being booed by the crowd for slow scoring. "Trevor Chappell batted exceptionally well and
Trevor Chappell to bowl more and his fielding by now was amongst the best in the country; he began to be discussed as an international prospect. At the beginning of the 1980–81 summer Chappell's bowling spell of 3–22 helped NSW defeat Queensland. In November Chappell was selected in the Australian one day side against New Zealand. Australia lost the game. Chappell managed only 12 runs and took 0–21 with the ball. He did not bat or bowl in his second game. Chappell was kept in the team to play India, taking 1–14 and scoring 14. His figures for his next game were