James Remar has already let it slip, but him, David Zayas, and Jack Alcott are returning for Dexter: Resurrection. Remar played Harry Morgan, Zayas played Angel Batista, and Alcott played Dexter's son, Harrison.
David Zayas (Dexter, The Bear), Jack Alcott (Dexter: New Blood, The Good Lord Bird) and James Remar (Oppenheimer, Welcome to Derry) will join Michael C. Hall in the Paramount+ with Showtime Original series Dexter: Resurrection in series regular roles. Production begins on the new series this month and will premiere in the summer.
Source: Deadline