Nozuka was born in Queens, New York City, to a Japanese father, Hiromitsu Nozuka, and a Canadian mother, Holly Sedgwick.
He is the brother of singers Justin Nozuka and George Nozuka, and the nephew of actress Kyra Sedgwick and actor Kevin Bacon.
He is a graduate of the Etobicoke School of the Arts for Musical Theatre and the National Theatre School of Canada in Montreal where he studied acting.
[1] For film and television Nozuka is best known for his appearances on Degrassi: The Next Generation where he played Chester, and Disney's Aaron Stone where he played Freddie.
Nozuka appeared in David Cronenberg's 2012 film Cosmopolis, and in 2013's Carrie.