Actor known for playing a character also named Zack on the show Transparent. He also played David on the show Teachers and Young Naldo on Best Friends Whenever.
He started acting in commercials when he was six and did voice work for a Build-A-Bear ad.
He made his film debut as Sam Sullivan in The 5th Wave, alongside Chloe Grace Moretz.
His father is a firefighter. His mother and brother have both also acted. He has an older sister as well.
He and Amy Landecker have acted together on Transparent.