Kewley appeared in numerous Australian television series including The Henderson Kids II, Prisoner, The Young Doctors, Thunderstone, Cop Shop, The Man From Snowy River, SeaChange, The Secret Life Of Us and Neighbours where he played Dr Adrian Ewart during 1995.
In 1997, he began playing the recurring role of local Mount Thomas journalist Tony Timms in Blue Heelers until the series ended in 2006.
In 2007, he appeared as Frank Parry QC opposite Jack Thompson and Colin Friels in the ABC-TV mini-series Bastard Boys, and began playing the recurring role of Adam Gardiner in the Nine Network's outback drama McLeod's Daughters.
[1] In 2013 he was cast as notorious Melbourne underworld figure Des 'Tuppence' Moran in the nine-part series Fat Tony & Co. which premiered on the Nine Network in Australia on Sunday 23 February 2014.
and guest starred in episodes of The Adventures of Lano and Woodley, Pig's Breakfast, and the 2006 Hamish and Andy mock-current affairs series Real Stories.
In 2008, he appeared on Rove Live, and had recurring roles on the ABC-TV sit-com Very Small Business and the Australian version of the Disney Channel's As The Bell Rings.
[2] Over the years he has also been the audience warm-up comedian for shows including The X Factor, 1 vs. 100, Who Wants To Be A Millionaire?, Backberner, Unreal TV, Quiz Master, Australia's Brainiest Celebrity Specials, In Melbourne Tonight, Comedy Inc, Difference Of Opinion and Temptation.
In 2009, he appeared in the premiere of the Australian plays Friday Night, In Town and She's My Baby, and starred in the stage show Call Girl the Musical.
In 2003, he wrote, directed and appeared in the short comedy film Image Is Everything, shot as part of the Celebrity Film-maker Challenge for the Newcastle Shoot Out in NSW.