DeVille Vannik was born in South Africa and attended the Performing Arts Lifestyle Institute in his hometown of Pretoria. He started his career in front of the camera with an international commercial for Coca-Cola in 2009. The following year, he moved to the United States where he attended the New York Conservatory for Dramatic Arts and focused on acting for film. After graduating from the conservatory, DeVille was offered a management contract and moved to LA to further pursue opportunities in film and television.

DeVille has a background in parkour, martial arts and acrobatics. He enjoys doing his own stunts and has also worked extensively as a stunt performer and stunt double on numerous productions.