Stuart Fails to Save the Universe (2026) Cast & Character Guide — No Spoilers | Who's That?
Who plays who in Stuart Fails to Save the Universe (2026)? Browse a spoiler-free character guide with photos of every major character and the actors behind them, including Kevin Sussman, Lauren Lapkus, Brian Posehn.
- Stuart Bloom / Alternate Stuart Bloom — played by Kevin Sussman
- Denise — played by Lauren Lapkus
- Bert Kibbler — played by Brian Posehn
- Barry Kripke / Supreme Ruler Barry Kripke — played by John Ross Bowie