Adventure Time Season 5 Characters & Cast — No Spoilers
Every character in Adventure Time season 5 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
- Jake Jr (voice) — played by Kristen Schaal
- Cuber (voice) — played by Emo Philips
- Young Marceline (voice) / Candy Girl (voice) — played by Ava Acres
- Cosmic Owl (voice) — played by M. Emmet Walsh
- Prismo (voice) — played by Kumail Nanjiani
- Earl of Lemongrab (voice) / Earl of Lemongrab (voice) / Lemongrab 2 (voice) — played by Justin Roiland
- The Moon (voice) — played by Beau Billingslea
- Banana Man (voice) — played by 'Weird Al' Yankovic
- Bounce House Princess (voice) — played by Kent Osborne
- Prince Gumball (voice) — played by Neil Patrick Harris
- Marshall Lee (voice) — played by Donald Glover
- Fionna (voice) — played by Madeleine Martin
All seasons of Adventure Time: full spoiler-free character guide