| Voice actor
|
Role(s)
|
| Igor Bareš
|
Formling Leader
|
| Libor Bouček
|
Jay (all except for Season 15)
Fedulian (DR Season 2)
Frak
|
| Gustav Bubník
|
Cyrus Borg
Morro (Ninjago: Masters of Spinjitzu)
The Mechanic (Season 6 - Season 8)
Ritchie
Vinny Folson (Season 11)
|
| Petr Burian
|
Cole
Suetonius (DR Season 2)
Drix
|
| Kateřina Březinová
|
Nya (Pilot episodes - Season 11; Ninjago: Dragons Rising)
Gayle Gossip (Season 2, Season 9)
|
| Ladislav Cigánek
|
Zane (Pilot episodes - Ninjago: Dragons Rising, episode 16)
Ronin (The Island - Season 15)
Suetonius (DR Season 1)
|
| Dagmar Čárová
|
Edna (Season 1 - Season 2)
Misako (Season 2)
|
| Pavel Dytrt
|
Arin
Jay (Season 15)
|
| Petr Gelnar
|
Krux
Uthaug
Koji
Zarkt
Dareth (Season 8 episode 77)
|
| Miroslav Hanuš
|
Wu (Pilot episodes - Season 2)
|
| Matěj Havelka
|
Wu (child, Season 11)
Nelson (Season 11)
|
| Marek Holý
|
Kai (Pilot episodes - Season 2)
Boma
Grimfax
Kataru
Skull of Hazza D'ur
|
| Zbyšek Horák
|
Karlof (Season 4)
Police Commissioner
The Mechanic (Season 11 - Season 12)
Murt
Skull Sorcerer
Alfonzo Frohicky
Kruncha (Ninjago: Dragons Rising)
|
| Martin Hruška
|
Ronin (Season 7 - Season 9)
Wu (child, Season 8 - Season 9)
Iron Baron
The Omega
Korgran
|
| Robert Hájek
|
Nokt
Roby
Leaf-Blade
|
| Roman Hájek
|
Garmadon (Season 15: Crystalized)
|
| Vojtěch Hájek
|
Postman
Dareth (Season 2 - Season 10)
Vinny Folson (Season 10)
|
| Ivan Jiřík
|
Dr. Julien
Yang (Season 5)
|
| Tomáš Karger
|
Char
|
| Ludvík Král
|
Clutch Powers (Season 11)
Vex
Arrakore
Dorama
Source Dragon of Energy
|
| Adéla Kubačáková
|
Akita
Gayle Gossip (Season 11)
|
| Jiří Köhler
|
Fugi-Dove (Season 11)
Garmadon (child; Season 11)
Geo
|
| Antonín Navrátil
|
Ed (Season 1 - Season 2)
Slithraa
|
| Petr Neskusil
|
Lloyd
Unagami (child)
|
| Eliška Nezvalová
|
Reflectra
|
| Klára Nováková
|
Antonia (Season 11)
Sora
|
| Zbyšek Pantůček
|
Lou (Season 1 - Season 2)
Fangtom
|
| Robin Pařík
|
Benthomaar
|
| Alexandr Postler
|
Zarkar
|
| Vendula Příhodová
|
Jordana
|
| Otto Rošetzký
|
Flintlocke
Ras
Bone King
|
| Regina Řandová
|
Misako (Season 4 - Season 10)
Skylor (Season 4 - Season 9)
Mystake (Season 8 - Season 9)
|
| Jakub Saic
|
Chen
Acidicus
|
| Svatopluk Schuller
|
Fred Finely
Fungus
Twitchy Tim
Gripe
Hounddog McBrag
The Overlord (Season 15)
|
| René Slováčková
|
Sorla
Bonzle
|
| Martin Sobotka
|
Kai (Season 3 onwards)
Glutinous
|
| Anna Suchánková
|
P.I.X.A.L. (Season 3 - Season 4)
Harumi (Season 8)
|
| Martina Šťastná
|
Nya (Season 12 - Season 14)
|
| Pavel Šrom
|
Garmadon (Pilot episodes - Season 10)
Skalidor
|
| Klára Šumanová
|
Vania
Miss Demeanor
|
| Viktorie Taberyová
|
Rox
|
| Libor Terš
|
Zane (Ninjago: Dragons Rising, episode 17 onwards)
Nuckal (Ninjago: Dragons Rising)
|
| Anna Theimerová
|
Harumi (Season 8)
Wyldfyre
|
| Petra Tišnovská
|
Gayle Gossip (Season 6 - Season 15)
P.I.X.A.L. (Season 6 onwards)
Faith
Aspheera
|
| Bohdan Tůma
|
Nuckal
The Overlord (Season 2 - Season 3)
Clouse
Ronin (Season 5 - Season 6)
|
| Radovan Vaculík
|
Skales
Fugi-Dove (Season 12)
Leroy
|
| Marcel Vašinka
|
Wu (Season 3 onwards)
|
| Pavel Vondra
|
Kruncha (Ninjago: Masters of Spinjitzu)
Nadakhan
Cecil Putnam (Season 11)
Unagami
|
| David Voráček
|
Vangelis
Plundar
Kalmaar
Mammatus
Ulysses Trustable
|
| Martin Záhalka
|
Killow
Okino
Fire Master
|
