Adventure Time Season 8 Characters & Cast — No Spoilers
Every character in Adventure Time season 8 with photos and the actors who play them, including Jeremy Shada, John DiMaggio, Tom Kenny — spoiler-free, nothing from later seasons.
- Finn the Human (voice) — played by Jeremy Shada
- Jake the Dog (voice) — played by John DiMaggio
- Ice King (voice) — played by Tom Kenny
- Princess Bubblegum (voice) — played by Hynden Walch
- Marceline the Vampire Queen (voice) — played by Olivia Olson
- BMO / Lady Rainicorn (voice) — played by Niki Yang
- Lumpy Space Princess (voice) — played by Pendleton Ward
- Tree Trunks (voice) — played by Polly Lou Livingston
- Minerva (voice) — played by Sharon Horgan
- Patience St. Pim (voice) — played by Lauren Lapkus
- Cuber (voice) — played by Emo Philips
- Prince Gumball (voice) — played by Neil Patrick Harris
- Flame Prince (voice) — played by Hannibal Buress
- Marshall Lee (voice) — played by Donald Glover
- Turtle Prince (voice) — played by Crispin Freeman
- Ice Queen (voice) — played by Grey DeLisle
- Fionna (voice) — played by Madeleine Martin
- Butterscotch Butler (voice) — played by Elle Newlands
- Lee (voice) — played by Bert Youn
- Ethel Rainicorn (voice) — played by Laura Silverman
All seasons of Adventure Time: full spoiler-free character guide