- 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 — S1E10
Episode: The Big Trouble with Lil' Betsy
Air Date: 2024-04-21
Runtime: 22 min
Overview
Marvin and the team investigate the death of a morning TV host, in which former child star Lil' Betsy is the main suspect. In the process of the investigation, Marvin becomes consumed with his newfound celebrity status. With everyone rallying around Lil' Betsy, Marvin is determined to find her guilty.