Adventure Time Season 3 Characters & Cast — No Spoilers
Every character in Adventure Time season 3 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
- Young Princess Bubblegum (voice) — played by Isabella Acres
- Young Marceline (voice) — played by Ava Acres
- Buttersotch Butler (voice) — played by Eric Bauza
- Me-Mow (voice) — played by Kyla Kowalewski
- Banana Man (voice) — played by 'Weird Al' Yankovic
- Prince Gumball (voice) — played by Neil Patrick Harris
- Ice Queen (voice) — played by Grey DeLisle
- Fionna (voice) — played by Madeleine Martin
- Cake (voice) — played by Roz Ryan
- Earl of Lemongrab (voice) — played by Justin Roiland
- Abracadaniel (voice) — played by Steve Little
- Grand Master Wizard (voice) — played by Maurice LaMarche
All seasons of Adventure Time: full spoiler-free character guide