- Jon Hamm (Marvin Flute (voice))
- Erinn Hayes (Harmony Flute (voice))
- Rachel Dratch (Stan Flute (voice))
- Alan Tudyk (Dr. Rufis Pentos / Mr. Flesh (voice))
- Kevin Michael Richardson (Detective Greg Summers (voice))
- Greg Chun (Lieutenant John Kang (voice))
Grimsburg — S3E4
Episode: How the Other Half Lives
Air Date: 2026-10-25
Runtime: 22 min
Overview
Flute is suspicious of Summers' new cyborg friend. Martinez joins the Satanic church for the childcare perks.