Characters played by Jeremy Shada
Finn Gnome #3
Characters played by John DiMaggio
Jake Banana Guard #1 Banana Guard #2
Characters played by Niki Yang
BMO
Characters played by Tom Kenny
Ice King Candy Person #4 Mushroom Person #2 Flame Person #1
Characters played by Hynden Walch
Princess Bubblegum Candy Person #2
Characters played by Olivia Olson
Marceline Candy Person #1
Characters played by Jessica DiCicco
Flame Princess Torcho Candy Person #3
Characters played by Steve Little
Peppermint Butler Todd (Watson) Gumball Guardian
Characters played by Josh Keaton
Flameguard #1 Mushroom Person #1 Marauder #3 Flame Person #3
Characters played by Donovon Ferguson
LSP Flameguard #2 Mushroom Person #3
Characters played by Kumail Nanjiani
Prismo Gnome #2 Marauder #2
Characters played by Fred Melamed
Gumbald
Characters played by Jason Hightower
Narrator Gnome #1 Marauder #1 (as Jason Bogart Hightower)