Mystic Island/Voice Cast

Voice Cast from Mystic Island and The Crazy and Olly Show.

Mystic Island

 * Mindy Cohn (Season 1-EP 5 of Season 2) - Ivana (in style of Velma from What's New Scooby Doo?), Quackette
 * Kate Micucci (EP 6 of Season 2-present) - Ivana
 * Colleen Villard - Noreen (in style of Tails from Sonic Boom)
 * James Arnold Taylor - Sven (In style of Ratchet from Ratchet and Clank)
 * Charlie Adler - Dudley (in style of Chicken from Cow and Chicken)
 * June Foray (Season 1) - Jinx (in style of Rocky from Rocky and Bullwinkle)
 * Dove Cameron (Season 2-present) - Jinx
 * Josh Gad - Ace (In style of Olaf from Frozen)
 * Stacey Gordon - Mary (in style of Julia from Sesame Street)
 * Joshua Rush - Terry (in style of Bunga from The Lion Guard)
 * Kyle Hebert - Kaabo
 * Allison Viktorin - Viola (In style of Jing Wei from Smite)
 * Krystal Meadows - Scarlett (In style of Ladonna Campson from Arthur)
 * Matthew Lillard - Norden (In style of Shaggy from Scooby Doo)
 * Roger L. Jackson - Muskus (in style of Mojo Jojo from The Powerpuff Girls)
 * Grey DeLisle - Victoria, Pepper, Nicky
 * Tress MacNeille - Suzette (in style of Daisy Duck from Mickey Mouse)
 * Dee Bradley Baker - Sawyer
 * Atticus Shaffer - Kent
 * Steven Blum - Denny
 * James Rolfe - Zhu-Zhu
 * Frank Welker - Vinny, Curly, Tinky and Rance (all the three; non-speaking), Citrus (non-speaking (vocal effects) scenes), Cockroach minions (speaking), Burner
 * Tara Strong - Citrus (speaking (voiceover) scenes), Wanda
 * Eric Stonestreet - Nozzle (in style of Duke from The Secret Life of Pets)
 * Jeff Bennett - Officer Twinkle, Victor, King Cocky, Professor Hicklestein
 * Phil Vischer - Julius (in style of Bob the Tomato from VeggieTales)
 * Cree Summer - Pamela (in style of Numbah 5 from Codename: Kids Next Door)
 * Lachlan Gillespie (guest star) - Webston
 * Simon Pryce (guest star) - Webston's Father
 * Emma Watkins (guest star) - Webby
 * Bill Farmer - Mr. Raccoon
 * Charles Green Jr. (Season 1-EP19 of Season 2) - Mr. Grump
 * R. Lee Ermey (EP20 of Season 2-present) - Mr. Grump
 * Julie Andrews - Mrs. Gran
 * Scott Menville - Randy
 * Selena Gomez - Kimberly
 * Matt Magnone - Matt
 * Demi Lovato - Luna
 * Ashleigh Ball - Pickle, Lynn
 * Brian Stepanek - Mops
 * Andrea Libman - Sparks
 * Kath Soucie - Trini
 * Jessica DiCicco - Ana
 * Khary Payton - Borrowter
 * Maryke Hendrikse - Katie
 * Richard Epcar - Marcus
 * Gillian Hanna - Stella
 * Jess Harnell - Ralphie
 * Janice Kawaye - Roxie
 * Samuel Vincent - Freddy
 * Kathleen Barr - Pico
 * Weird Al Yankovic - Slice
 * Tabitha St. Germain - Coco (in the style of Martha from Martha Speaks)
 * Kyle A. Carrozza - Clawson, Dreadvil
 * America Young - Mia
 * David P. Smith - Radburn

The Crazy and Olly Show

 * Ian Hecox - Crazy
 * Anthony Padilla - Olly
 * Kate Higgins - Zelda, various female child characters
 * Eden Riegel - Bonnie
 * Max Charles - Raz, Charles, various male child characters
 * Heather Bambrick - Jenny
 * Anna Kendrick - Olympia

Dennis the Narwhal

 * Collin Dean as Dennis
 * Cristina Pucelli as Harmony