Justin Kennedy started his performing career in 2002, after making his first stand-up appearance in the national Raw Comedy competition.
In 2003, Kennedy teamed up with fellow comedians Gavin Baskerville and Dwight Bandy to write and perform the show Successful Losing: How to be a Spectacular Failure in both Fringe World in Perth, Western Australia, (winning 'Best Comedy'), and the Melbourne International Comedy Festival (MICF).
In 2004, Kennedy performed his first solo stand-up show in MICF, Simple Pleasures, which he followed over the next four years with I'm With Stupid, Beelzebuzz (nominated for a Golden Gibbo Award), Ladies...?
[2] In 2008, Kennedy wrote and performed as a cast member of Foxtel's The Mansion with Michael Chamberlin and Charlie Pickering.
[citation needed] Kennedy has appeared as an actor in numerous television shows, including The Time of Our Lives, The Secret, It's a Date and Utopia, as well as voiced characters for the animated series' Sumo Mouse, Flea-Bitten and SheZow.