Smith will play a new character with a strong connection to John Connor, alongside Arnold Schwarzenegger, Jason Clarke, Emilia Clarke, Jai Courtney, J.K. Simmons, Dayo Okeniyi and Byung Hun Lee.
That's what the blue-circled checkmark means.Official twitter of the production company behind the film?
Dark HorizonsFormer "Doctor Who" star Matt Smith has reportedly scored a major role in the upcoming "Terminator" reboot at Paramount Pictures and Skydance Productions.
Smith's role is said to be a major one with a strong connection to John Connor, a role that will grow in the second and third films. It is also said to be the final major piece of casting.
Smith joins the likes of Emilia Clarke, Jason Clarke, Jai Courtney, Day Okeniyi and Arnold Schwarzenegger in the film which is scheduled for release next July.
Source: Paramount Pictures
I remember I heard that Smith was approached by JJ for Star Wars, but that rumor never went anywhere.

Yep.i hope the studio is aware that if they will reshoot all important flashback scenes take for take that they will get destroyed on the internet.