The character of Master Chief has never shown his face on screen, and it's not clear whether he'll do so.
The live-action Halo TV series has taken a decisive step forward, casting Pablo Schreiber as its lead.
Elite soldier Master Chief, also known as John-117, has been the thread running through the 26th-century sci-fi universe of Halo franchise since its 2001 debut as Halo: Combat Evolved through to upcoming entry Halo: Infinite.
