• 
  Sarah Sheppard

   Gabi (26 episodes)
• 
  Tara Emo

   Mundi (26 episodes)
• 
  Katie Grant

   Anabella (26 episodes)
• 
  Griffin Hook

   Doki (26 episodes)
• 
  Caden Hughes

   Oto (26 episodes)
• 
  Lucas Kalechstein

   Fico (26 episodes)
• 
  Jenny Maria Meyer

   Gabi (German version) (52 episodes, 2014)
• 
  Collin Dean

  (26 episodes, 2016)

• 
  William Romain

  Doki
• 
  Julius Cho

  Contestant
• 
  Kimberly Persona

  Valentina
• 
  Cole Promane

  Additional voice
• 
  Belle Lemieux-Chan

  Naz
• 
  Dexter Storey

  Claude
• 
  Delita Decon

  Claire

• 
  Sabrina Nardi

  Dandan
• 
  Becky E. Shrimpton

  Gisele
• 
  Dylan Hausdorf

  Tetsuo