Andre Robinson as Niko Voice

Kari Wahlgren as Lyra Voice

Tom Kenny as Mandok Voice

Steve Blum as Nar Est Voice

Jim Cummings as Narrator Voice

Steve Blum as Rasper Voice

Dee Bradley Baker as Flicker Voice

Kari Wahlgren as Belatha Voice

Tom Kenny as Sargous Voice

Kari Wahlgren as Doris Voice

Kevin Michael Richardson as Dingle Voice

Kevin Michael Richardson as Lump Voice

Dee Bradley Baker as Chompsky Voice

Jim Cummings as Dark Champion Voice

Jennifer Hale as Dusty Voice

Jim Cummings as The Darkness Voice

Tom Kenny as Meercoon Leader Voice

Dee Bradley Baker as Chimpalope Voice

John Michael Higgins as King Scampi Voice

Phil Hayes as Castle Guard Voice

Hynden Walch as Wispy Voice

Dee Bradley Baker as Monster Xerxes Voice

Dee Bradley Baker as Merchant 1 Voice

John DiMaggio as Angus Voice

Dee Bradley Baker as Shrimp Trooper Voice

Dee Bradley Baker as Sidekick Voice

Jennifer Hale as Aura Voice

John DiMaggio as Captain Nimbeard Voice

Corey Burton as Secretary Offishiss Voice

Tom Kenny as Cutie-Pootie Voice

Dee Bradley Baker as Cash Vendor Voice

Dee Bradley Baker as Arachtaur Voice

Jim Cummings as Mugwhump Voice

Tom Kenny as Fergus Voice

Steve Blum as Scarpe Voice

Steve Blum as Mingus Voice

Dee Bradley Baker as Skayma Voice

Kevin Michael Richardson as King Horris Voice

John DiMaggio as Monte Voice

John DiMaggio as Merchant 2 Voice

Tom Kenny as Pufferhuffer 1 Voice

Tom Kenny as Shrimp Trooper Voice

Steve Blum as Shrimp Trooper Voice

Dee Bradley Baker as Mantagore Voice

Kevin Michael Richardson as Shrimp Trooper Voice

Susan Silo as Dolphin Queen Voice

Susan Silo as Shrimp Trooper Voice

Phil Hayes as Lantern Fish Voice

Phil Hayes as Pufferhuffer 2 Voice

Tom Kenny as Rusty Voice

Tom Kenny as Prickletwister Voice

Steve Blum as Fred Voice

Dee Bradley Baker as Musty Voice

Dee Bradley Baker as Voracious Oasis Voice

Corey Burton as Jackal Voice

Corey Burton as Buzz Voice

Jennifer Hale as Roxy Voice

Tom Kenny as Honeywillows Voice

Dee Bradley Baker as Sporewing Voice

Kari Wahlgren as Poofhilda Voice

Dee Bradley Baker as Shiraggo Voice

Frank Welker as Bosun Billows Voice

Frank Welker as Grackleflint Voice

Frank Welker as Umlauti Voice

Dee Bradley Baker as Rabbitora Voice

Frank Welker as Tea Moderator Voice

Frank Welker as Wolvie Voice

Frank Welker as Sigurden Voice

Tom Kenny as Exuber-Ant Voice

Stephen Root as Diggantus Voice

Stephen Root as Exuber-Ant Voice

Dee Bradley Baker as Nursie Voice

Dee Bradley Baker as Chimpalope General Voice

Phil Hayes as Chimpalope Voice

Tom Kenny as Hornblower Voice

Steve Blum as Solfeggio Voice

Dee Bradley Baker as Commander Voice

Hynden Walch as Little Girl Voice

Dee Bradley Baker as Umlauti Voice

Kevin Michael Richardson as Umlauti Voice

Phil Hayes as Umlauti Voice

Tom Kenny as Street Sweeper Voice

Steve Blum as Guard Voice

Steve Blum as Breadtroll Voice

Laraine Newman as Windcrag Voice

Laraine Newman as Townie #2 Voice

Kevin Michael Richardson as Townie #1 Voice

Tom Kenny as Soldier Voice

Diane Delano as Captain Nekton Voice

Patton Oswalt as The Prince of Whale Voice

Kari Wahlgren as Melange Voice

Steve Blum as Brohan Voice

Dee Bradley Baker as Enui Voice

Fortune Feimster as Brohilda Voice

Josh Groban as Olivier Falstaff Scenechuer Voice

Jim Cummings as Broseph Voice

Jim Cummings as Spokesbeetle Voice

Kari Wahlgren as Mrs. Funkfang Voice

Ian Gregory as Manfred the Monkfish Voice

Phil Hayes as Larry the Lantern Fish Voice

Phil Hayes as Huffer Puffer Voice

Hynden Walch as Baby Funkfang Voice

Hynden Walch as Sea Creature Voice

Jim Cummings as Mr. Funkfang Voice

Kari Wahlgren as Townie Voice

Kari Wahlgren as Well-Wishing Well Voice

Steve Blum as Giant Headwood Tree Voice

Clancy Brown as Otto the Automatron Voice

Clancy Brown as Rust Bunny Voice

Jim Cummings as Ice Cave Voice

Jim Cummings as Mother Rust Bunny Voice

Jennifer Hale as Kid Voice

Niko and the Sword of Light — Full Cast