Well we now know that Laura Dern is definitely not Sabine, she is Vice Admiral Amilyn Holdo. Del Toro is DJ but its a nickname, so there may still be surprises .
A few new characters are being introduced in Star Wars: The Last Jedi. The actors are confirmed, yet their character roles and identities have not been revealed.
Vanity Fair magazine just revealed Laura Dern and Benicio Del Toros characters in the Last Jedi during their behind the scenes coverage of Star Wars Episode .
Star Wars Episode 8 The Last Jedi has a mysterious character being played by Benicio Del Toro named The Man In Black. He has been speculated to be Vicrum .