In 2007 Johnnie was a celebrity driver for the BMW Celebrity Challenge at the Melbourne Formula One Grand Prix.
Johnnie has appeared in the short film, Night Trade, as well as the feature films Get Rich Quick Soon and NED.
Johnnie acted as the MC for the Sydney Fitness Expo in Darling Harbour.
Johnnie appeared in the National IKEA advertising campaign in 2002.
Johnnie has a weekly segment working with The Club Veg Team on radio.
Johnnie trained as an actor at The Sydney Acting School.
Johnnie was the 8th evictee of the first season of the reality tv program, Big Brother. He exited the house on Day 63 of the program.
Johnnie works as a qualified personal trainer.