Guest Stars Audrey Bennett voices Astrid Hynden Walch voices Princess Bubblegum Olivia Olson voices Marceline Jeff Bennett voices Evil Choose Goose Jeremy Shada voices Finn Audrey Bennett voices Young Marceline Phil LaMarr voices Tourist #4 Phil LaMarr voices Dog Tourist Phil LaMarr voices Goo Zombies Dee Bradley Baker voices Mudskipper Dee Bradley Baker voices Bear Dee Bradley Baker voices Goo Zombies Hynden Walch voices Child Wizard Hynden Walch voices Tourist #3 Dan Mintz voices TV Cristina Valenzuela voices Skater Fairies Erica Mendez voices Skater Fairies Jack Pendarvis voices Dirt Beer Guy