Joseph Witkowski is a 2017 graduate of Toi Whakaari: New Zealand Drama School. The ASB season of Under the Mountain is his second professional theatre role, and his first since graduating. His first professional theatre role was in Fortune Theatre’s Into the Woods last year. Joseph has starred in various amateur theatre productions, including The Adding Machine, Lost Cause, Caucus, Caucus, Harvest, Dawn, and Black Confetti. His screen work includes Satin Sheets and An Arm and a Leg.