Winx Club: Beyond Believix is an animated television series co-produced by Nickelodeon. It aired on Nickelodeon between August 26, 2012 and September 22, 2013.
Featuring the Voices of
- Molly C. Quinn - Bloom
- Keke Palmer - Aisha
- Matt Shively - Sky
- René Auberjonois - Saladin (ep10)
- Obba Babatunde - Teredor
- Laura Bailey - Serena, Tressa
- Dee Bradley Baker - Kiko, Merman Soldier (ep3), Merman Soldier (ep9), Race Announcer (ep10), Wizgiz
- Sugar Lyn Beard - Nissa
- Will Blagrove - Nabu (ep7)
- Susanne Blakeslee - Bloom's Sirenix Guardian, Griselda
- Kyle Bode - David (ep24)
- Kimberly Brooks - Flora's Sirenix Guardian (ep24), Niobe, Stormy, Trista (ep4)
- Megan Cavanagh - Luna
- Jennifer Cody - Darcy
- Romi Dames - Musa
- Morgan Decker - Tecna
- Grey DeLisle-Griffin - Marion, Tecna's Sirenix Guardian
- Stoney Emshwiller - Erendor
- Keythe Farley - Neptune
- David Faustino - Helia
- Will Friedle - Nereus
- Nika Futterman - Omnia (ep12)
- Elizabeth Gillies - Daphne
- Ariana Grande - Diaspro
- Adam Gregory - Brandon
- Amy Gross - Stella
- Amber Hood - Desiryee, Sovereign (ep19)
- Bryton James - Roy
- Josh Keaton - Oritel
- Maxim Knight - Matt (ep13)
- Natalie Lander - Lithia
- Hope Levy - Sonna
- Joanna Lewis - David's Mother (ep24)
- Mat Lucas - Dock Worker (ep3), Ronny (ep8)
- Lynn Milgrim - Ancestral Spirit of Nature (ep6)
- Candi Milo - Samara
- Cymphonique Miller - Krystal
- Dave B. Mitchell - Codatorta (ep18), Cryos
- Daniella Monet - Mitzi (ep1)
- Liliana Mumy - Roxy
- Isabella Murad - Matt's Sister (ep13)
- Laraine Newman - Ligea
- Larisa Oleynik - Icy
- Alejandra Reynoso - Flora
- Sam Riegel - Miles (ep8), Oil Rig Worker (ep2), Riven
- Charlie Schlatter - Timmy
- Andre Sogliuzzo - Radius
- April Stewart - Alfea Student (ep13), Andros Soldier (ep26), Book of Sirenix, Lemmy, Vanessa
- Tara Strong - Stella's Sirenix Guardian
- James Patrick Stuart - Dock Worker (ep3), Merman Guard (ep3), Mike, Oil Rig Boss (ep2)
- Kari Wahlgren - Aisha's Sirenix Guardian, Alice (ep4), Andros Soldier (ep26), Cornelia (ep4), Faragonda, Narrator, News Alert (ep22), Noemi (ep6), Phylla
- Jim Ward - Ho-Boe
- Lauren Weisman - Illiris
- Mitchell Whitfield - Palladium
- Wally Wingert - David's Father (ep24), Sovereign (ep24)
- Ariel Winter - Macy (ep1)
- Adam Wylie - Tritannus