Warning: This article contains spoilers from Star Trek: Strange New Worlds season 2, episode 9, "Subspace Rhapsody."

The last time Star Trek fans saw Bruce Horak as Hemmer was in "Lost in Translation," the sixth episode of Strange New Worlds season 2. But Horak made a surprise return as a completely different character in this week's musical event, "Subspace Rhapsody," now streaming on Paramount+. Any guesses who?