Gray began pursuing cinematography whilst studying Film Production at the University of Cape Town.
After graduating, he shot his first feature length film, Relics, while living in Japan which premiered at the Durban International Film Festival. He then began working in the South African film industry on various commercials, feature films, music videos and documentaries.
His work has been featured at programmes and festivals such as: Final Cut In Venice, IFP Film Week, Sheffield DocFest, Visions Du Reel, IDFA, Big Sky Documentary Film Festival, Berlinale Talents, Encounters and Durban International Film Festival.
He also has a well known YouTube channel, In Depth Cine, which produces educational videos on cinematography.