Full cast of Grimsburg

Jon Hamm

Marvin Flute (voice)

27 episodes

Erinn Hayes

Harmony Flute (voice)

27 episodes

Rachel Dratch

Stan Flute (voice)

27 episodes

Alan Tudyk

Dr. Rufis Pentos / Mr. Flesh (voice)

27 episodes

Kevin Michael Richardson

Detective Greg Summers (voice)

27 episodes

Greg Chun

Lieutenant John Kang (voice)

27 episodes

Martin Short

Otis Volcanowitz (voice)

13 episodes

Kaniehtiio Horn

Wynona Whitecloud (voice)

10 episodes

Wendi McLendon-Covey

Chief Patsy Stamos (voice)

9 episodes

JP Karliak

(voice)

8 episodes

Piotr Michael

(voice)

8 episodes

Rosie Perez

Martina Martinez (voice)

7 episodes

Debi Derryberry

(voice)

6 episodes

Jaime Camil

(voice) / Mayor Dilquez (voice)

4 episodes

Laraine Newman

(voice)

4 episodes

Chadd Gindin

(voice)

3 episodes

Andrés du Bouchet

(voice)

3 episodes

Nick Paonessa

(voice)

3 episodes

E. G. Daily

(voice)

3 episodes

Kyle Chapple

(voice)

3 episodes

Cree Summer

(voice)

2 episodes

Carlos Alazraqui

(voice)

2 episodes

Zehra Fazal

(voice)

2 episodes

Natalie Palamides

(voice)

2 episodes

Patton Oswalt

Slasher (voice) / (voice)

2 episodes

Brian Jordan Alvarez

(voice)

1 episode

Rob Huebel

Bertram (voice)

1 episode

Ronny Chieng

(voice)

1 episode

Giancarlo Sabogal

(voice)

1 episode

Toks Olagundoye

(voice)

1 episode

Tim Meadows

(voice)

1 episode

Ross Marquand

(voice)

1 episode

Amy Sedaris

(voice)

1 episode

Christina Hendricks

(voice)

1 episode

Brittney Johnson

(voice)

1 episode

Connor Warren Smith

(voice)

1 episode

Asif Ali

Lt. Ravi (voice)

1 episode