Rockstar has reportedly emailed the GTA 6 voice cast to remind them their non-disclosure agreements are still fully in force, and that November 19, launch day, is the earliest anyone is cleared to say publicly that they worked on the game. The email's contents were relayed by the GTAVIoclock podcast and reported by Insider Gaming; Rockstar has not confirmed it, so treat the specifics as unverified reporting rather than an official statement.
The reminder followed an interview in which veteran character actor Stephen Root discussed his role in the game, apparently without realising the embargo was still live. That made him the first cast member to publicly confirm involvement, and it evidently prompted Rockstar to re-paper the rest of the ensemble before anyone else did the same. The performers behind Jason and Lucia remain formally unannounced, which is unusual this deep into a marketing cycle and clearly deliberate.
Why it matters: it tells you Rockstar intends to hold the cast reveal as launch-day material rather than pre-release marketing, so anyone waiting for an official Jason and Lucia casting announcement before November 19 is likely waiting for nothing. Expect more accidental confirmations from interviews and agency pages than from Rockstar itself over the final weeks, and expect each one to be quietly walked back.