Bumper Robinson reprises his role from The Abandoned (1994). In the episode, the character was unnamed.
Kenneth Mitchell was scheduled to reprise his role of Tenavik from Star Trek: Discovery (2017), but realized his A.L.S. would not let him do the performance. Kenneth Mitchell suggested Cryptic reach out to his long-time friend Sam Witwer to play the role; Mitchell ended up directing his friend as Witwer recorded his lines.
Terry Farrell was begged to reprise as Jadzia Dax because she was in the original Star Trek Deep Space Nine show where she is a Trill created version with Terry face in the game. But her voice is not appears in the game. The uniform and the hairstyles is the way that look like Jadzia Dax.