In January 2007, he made his first-class debut against South Australia at the Melbourne Cricket Ground, capturing four wickets for 87 runs in the first innings.
When frontline bowlers Shane Harwood, Allan Wise and Gerard Denton all found themselves injured throughout the season, but Cassell remained injured himself, it left the opportunity to Clinton McKay, Darren Pattinson and Grant Lindsay to make the step up to the state side.
Darren Shan | The Saga of Darren Shan | Darren Hayman | Robert Pattinson | Darren Aronofsky | Darren Styles | Darren Shahlavi | Darren Lehmann | Darren Gough | Darren Fletcher | James Darren | Darren King | Darren Hayes | Darren Allison | Darren Woodson | Darren Star | Darren Lockyer | Darren Lighty | Darren Dalton | Lewy Pattinson | Darren Wassall | Darren Stark | Darren Pattinson | Darren Pang | Darren Oliver | Darren Naish | Darren McCarty | Darren Mansaram | Darren Manning | Darren Langdon |