Dustin Wallace Milligan (born July 28, 1985) is a Canadian film and television actor known for his role as Ethan Ward on 90210 and Nick LaDuca in Shark Night 3D. Milligan was born in Yellowknife, Northwest Territories, the son of Jean Wallace, a former Yellowknife city councillor, and Brian Milligan. He is known for playing the role of Ethan Ward in the The CW's 90210, a spin-off of the 1990s prime-time soap opera Beverly Hills, 90210. He was written out of the show at the end of the first season.