Barnie Duncan was born in New Zealand in the mid-1970s. Raised in his hometown by his New Zealander parents, Duncan spent his formative years immersed in local culture. Specific details about his immediate family, including siblings, have not been publicly disclosed. Later in life, Duncan moved to the United States to pursue his long-standing dream of becoming an actor, which had inspired him since childhood.
Duncan's major career milestone occurred in 2005 when he landed the role of Piggy in the American television series Power Rangers S.P.D. (Space Patrol Delta). His portrayal of the quirky alien character added both humor and complexity to the series, marking his entrée into international recognition.
The following year, in 2006, he played the role of Toby in Power Rangers Mystic Force. These two roles marked a turning point in his acting career and brought him considerable attention from fans of the long-running Power Rangers franchise.
Before his Power Rangers fame, Duncan had accumulated a number of acting credits in New Zealand-based television and film projects. He appeared in titles such as Jackson's Wharf, True Life Stories, Shortland Street, and Xena: Warrior Princess. His film debut was in the disaster film Eruption.
In 2011, Duncan starred in the film Good for Nothing, a revisionist Western which drew critical acclaim and is considered one of his most significant roles. His later projects include the feature film When the Man Went South (2014) and the television series Nothing Trivial and Bliss. He also appeared in Outrageous Fortune, Legend of the Seeker, and The Jaquie Brown Diaries.
