David Tredinnick is an Australian actor. An experienced actor with a long career in theatre, he is perhaps best known for his regular role as bar owner Simon Trader in the television series The Secret Life of Us. Tredinnick was born in the Melbourne suburb of Glen Waverley. He battled anorexia as a teenager and was obsessed with extreme exercise. Tredinnick studied arts at Melbourne University where he became interested in theatre. He joined the university theatre company and performed in local fringe theatre for a number of years. This was to earn him his first major role as a lead in the Melbourne Theatre Company production of Angels in America in 1993, a performance which won him a prestigious Green Room Award. Tredinnick was a regular in the Melbourne theatre scene throughout the 1990s, working with most of the major theatre companies, and featuring in an array of plays, including The Talented Mr Ripley, Roulette, Dealer's Choice and Strangers in the Night. He also appeared in a number of independent films, including Dead on Time, Derwent Envy, Life, Pozieres and Zone 39. 

Glen Waverley