Henderson was born in Auckland to Ian and Veronica Henderson. They divorced when he was five. He began acting at the age of thirteen, appearing in Strangers, a local television production. He attended Birkenh… আরও দেখুন

At age 17, in 1992, Henderson starred as Stuart Neilson in the New Zealand prime-time soap opera Shortland Street. He played the role until 1995. Shortland Street became New Zealand's longest-running drama … আরও দেখুন