Kook is now aged 29 years old but his love life is still a matter of secret in the media. He is still living with his parents. His father is of Chinese descent and his mother is South African. His nationality is South African and he has mixed ethnicity.
As a child, Kook was enrolled at National Theatre School of Canada. As his childhood dream was acting, he attended Lorraine Kimsa Theatre for Young People and Citadel Theatre. He also performed at the Factory Theatre. In 2009, he made his TV debut by starring the role of Kendrick Kwan in a Canadian comedy-drama television series Being Erica. That year he also appeared in the TV series like The Border and Cra$h & Burn. He got his rise in fame in 2010 after portraying the role of Zane Park in a Canadian teen drama television series Degrassi: The Next Generation. Two years later, he provided the voice of Yun in the video Requiem for Romance. In 2013, he appeared in the movies like The Conjuring, Empire of Dirt and Hunting Season. He is also critically acclaimed for starring the role of Drew Thomas in an American supernatural horror film The Conjuring 2. His net worth is unknown.