• 
  Nicole Sullivan

   Supergirl (2018-) (voice)
• 
  Tara Strong

   Batgirl (voice)
• 
  Grey Griffin

   Wonder Woman (2018-) (voice)
• 
  Kimberly Brooks

  6 episodes, 2019
• 
  John de Lancie

   Mr. Freeze (2018-) (voice)
• 
  Myrna Velasco

  5 episodes, 2019
• 
  Jason Spisak

  9 episodes, 2019
• 
  Kari Wahlgren

  11 episodes, 2019

• 
  Fred Tatasciore

  14 episodes, 2019-2020
• 
  Keith Ferguson

  Mr. O'Shaugnessy
• 
  Phil LaMarr

  Flash
• 
  Jessica McKenna

  Aqualad
• 
  Cree Summer

  Catwoman
• 
  Dee Bradley Baker

  Announcer
• 
  Cristina Milizia

  Poison Ivy

• 
  Eddie Perino

  Green Arrow
• 
  Mallory Low

  Livewire
• 
  Max Mittelman

  Male Bystander