Career
Sanderson was one of the founders of Downstage Theatre in 1964 in Wellington, with a vision of a small professional company performing challenging works in an intimate venue. In the 1970s, Sanderson toured with multi-media group Blerta, and worked on films with Blerta members Bruno Lawrence and director Geoff Murphy. Sanderson"s work as a screen director included a number of shorts featuring New Zealand poets, plus the 1989 feature Flying Fox in a Freedom Tree.
Based on a work by Albert Wendt, Flying Fox is about a young Samoan caught between the values of his homeland and European colonisers.
He wrote a documentary One of those Blighters on Ronald Hugh Morrieson and the screenplay for the 1986 film of Morrieson"s last novel Pallet on the Floor. Sanderson"s other screen credits include Geoff Murphy"s Utu, Jane Campion"s An Angel at my Table, The Scarecrow, Old Scores, The Harp in the South, The Lord of the Rings film trilogy, a recurring guest role in the first two years of Shortland Street, Poor Manitoba"s Orange, Hercules episode The King of Thieves and The Rainbow Warrior.