Characters On BTVA: 300
Additional Voices: 8
Sound Clips: 8
Main OK K.O.! Let's Be Heroes Cast
K.O.
Stephanie Nadolny
Enid
Ashly Burch
Radicles
Ian Jones QuarteyRecurring Roles
Carol
Kate Flannery
Mr. Gar
David Herman
Dendy
Melissa Fahn
Lord Boxman
Jim Cummings
Darrell
Shannon
Kari Wahlgren
Raymond
Robbie Daymond
Ernesto
Christopher Niosi
Jethro
Venomous
Steven Ogg
Fink
Lara Jill Miller
Shadowy Figure
Shadowy Venomous
T.K.O.
Courtenay Taylor
Cosma
Marina Sirtis
Vormulax
Billiam Milliam
Justin McElroy
Elodie
Reshma Shetty
Lad Boxman
Brandon
A Real Magic Skeleton
Ben Jones
Crinkly Wrinkly
Dynamite Watkins
Mary Elizabeth McGlynn
Miss Quantum
Mr. Logic
James Urbaniak
Joff the Shaolin Monk
Johnny Wu
Nick Army
Punching Judy
Melissa Villasenor
Drupe
Neil
Colewort
Cole Sanchez
Potato
Beardo
Red Action
Kali Hawk
Ginger
Gertie
Gladys
Gerald Nametag
Parker Simmons
Miss Mummy
Mega Football Baby
Pird
Tumbles
Holo Jane
Lola Kirke
Fish Dude
Topher
Joe Cuppa
Andres Du Bouchet
Wally the White
Wallace Shawn
Chameleon Jr.
Tony Revolori
Barista Pup
Cool Sun
Michael Leon Wooley
Corn Shepard
Director
Michael Donovan
Silver Spark / Carol
El Bow / Mr. Gar
Rippy Roo
Laserblast
Foxtail
Melodee Spevack
Dr. Greyman
Dana SnyderGuest Stars
Action News Narrator
Slime
Gary
Mimic
Radicles Mimic
Chameleon Sr.
Richard McGonagle
Large Man
Heroic Guy
Small Joe
Gnarlio
Robbie Rist
Peej
Kath Soucie
Chill Cat
Mrs. Gnarlio
Gnarlio Jr.
Frat Boi 1
Frat Boi 2
Plazamo
Skateboard Nerd
Whistle
Rat
Cactus Person
Shy Ninja
Kid
Succulentus
Jonathan Howsmon Davis
Evil Laugh
Video Game Voice
Jeffrey (Driver)
Shadamy
Rad Fan
Rad Dad
Baby
Zombie-Like Fan
Assistant Director
Male Lead
Cupid
Diedrich Bader
Bell Beefer
Guard
Dave Fennoy
Baby K.O.
Baby Teeth
Mikayla
Krissa
Pavel
Clancy Brown
Pepelina
Nichole Bloom
Kappa
Rude Kid
Powio Statue
Powio Cardsley
Carla
Employee Pup
Narrator
Hero
Michael Sinterniklaas
Galgarion
Cherry
Ball Monster
Narrator (RPG)
Heart
GPS
Captain Planet
David Coburn
Kwame
LeVar Burton
Dr. Blight
Tessa Auberjonois
Steamborg Robot
TV
Student
Ofrang
Theodosia
Melique Berger
Wilhamena
Bernard
Crudde
Joe Nipote
Spanky
Boris
Icky
Gregg
Co-Bruh
Snake
Singer
Yellow Technique
Carrie Keranen
Blue Power
Green Guts
Jamie Marchi
Black Strategy
Erica Mendez
Cantalop
Paul Rugg
Hon Dew
Point HQ
Audience Member
Acting Coach
Deep Voice
Monkey
Bobo
Gecky
Nanini
Mad Sam
Mr. Iframe
Steven Rattazzi
Cashier
Baby Shannon
Baby Darrell
Baby Jethro
Baby Ernesto
Young Crinkly
Cookie Man
Dolph Finn
Pterodactyl
Gil Ferris
Congresswoman
Soloist
Skeleton 1
Skeleton 2
Hero Screams
Big Cheese
Robert Costanzo
Truck
Truffle
Mama Truffle
Dinner Man
Flurry
Moon
GPS (2)
Announcer
Security Guard 1
Security Guard 2
Boy 1
Boy 2
Old Man Jenkins
Mr. Beelz
Boxman Jr.
Big Bull Demon
Audience Rando
Restuarant Rando
Pedestrian Rando 1
Pedestrian Rando 2
Announcer (2)
Sandworm
Performance Artist
Alien
Rex
Genesis
Principal Claus
Michael Patrick Bell
Chip Damage
Kurt Angle
Gloops
Computer Voice
Video Game Announcer
Giant Robot
Anxious Ricky
Wistful Pete
Corny Song Singer
Sparko
Ron Funches
Sunshine
Melanie Chartoff
Drone
Miss Pastel
Larissa Gallagher
Koala Princess
Demon Queenie
Glitter Starlight
Biki
Phoebe
Point Trooper
Drone (2)
Pen
Red Strike
Michael Dorn
I.M. Weasel
Garnet
Estelle
Ben Tennyson (Young)
Tara Strong
Raven
Princess Ilana
Four Arms
John DiMaggio
Schnitzel
Jake the Dog
Uncle Grandpa
Peter Browngardt
Phantasma
Russi Taylor
Elsa
Pat Musick
Sibella
Susan Blu
Winnie
Natalie Palamides
Tanis
Kristen Li
Tree
Small One
Stabilization Matrix
Mecha Maw
Twisty
Ali Wong
Evil K.O.
Evil Radicles
Narrator (The Magic Court)
Phone
Lone Hero
Narrator (The Lonely Hero)
Announcer (The Voxy Bunch)
Combo Breaker
Candi Milo
Scoutmaster
Bob Bergen
Pickle
Johnny
SungWon Cho
Jack Wacky
Url
Gauntlet
Rando
Jethro 2
President of the Universe
Hero (2)
Elf King
Newsreel Announcer
Punching Trudy
UBC Announcer
Baby Wave
Wavezilla
Beach Battle Announcer
Warlock
Nick Bakay
Mr. Box-Gar
Lord Gar-Man
Plaque
Colewort's Grandma
Point Trooper 1
Point Trooper 2
Ted Viking
Keith Silverstein
Foxy
Karen Strassman
Dragon
Teamster
Game
Cat
Old Lady
Cough Man
Coach
JB Blanc
Jad
Janner
Nerd 1
Nerd 2
Robot Voice
Dr. Sphinxen
Constance Shulman
Sonic the Hedgehog
Roger Craig Smith
Miles 'Tails' Prower
Colleen O'Shaughnessey
Metal K.O.
Small Calf Demon
Barbara Goodson
Monster
Hamster
Classmate 1
Classmate 2
Carl
Tenid
Trad
Puck Reverie
Diving Belle
Teardrop
Robbie
Sara
Tall Teen
Small TeenAdditional Voices
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Confirmed Credits[X]
Animation Studio: Cartoon Network Studios
Trending: 270th This Week
Franchise: OK K.O.!Characters On BTVA: 300
Additional Voices: 8
Sound Clips: 8
| Enid | 33.3% (7 votes) | |
| KO | 14.3% (3 votes) | |
| Venomous | 14.3% (3 votes) | |
| Dendy | 9.5% (2 votes) | |
| Rad | 4.8% (1 vote) |
