• 
  Jack Angel

  Hawkman
• 
  Marlene Aragon

  Cheetah
• 
  Michael Bell

  The Riddler
• 
  Michael Rye

  Green Lantern
• 
  William Callaway

  Aquaman
• 
  Ted Cassidy

  Black Manta
• 
  Melanie Chartoff

  (16 episodes, 1978)
• 
  Henry Corden

  (16 episodes, 1978)

• 
  Danny Dark

  Superman
• 
  Al Fann

  (16 episodes, 1978)
• 
  Shannon Farnon

  Wonder Woman
• 
  Bob Holt

  (16 episodes, 1978)
• 
  Bob Hastings

  (16 episodes, 1978)
• 
  Buster Jones

  Black Vulcan
• 
  Stan Jones

  Lex Luthor

• 
  Casey Kasem

  Robin
• 
  Don Messick

  Scarecrow
• 
  Vic Perrin

  Sinestro
• 
  Renny Roker

  (16 episodes, 1978)
• 
  Stanley Ralph Ross

  Gorilla Grodd
• 
  Dick Ryal

  Captain Cold
• 
  Olan Soule

  Batman
• 
  Jimmy Weldon

  Solomon Grundy
• 
  Frank Welker

  Toyman
• 
  Louise Williams

  Young Giganta
• 
  Lewis Bailey

  (16 episodes, 1978)
• 
  Ruth Forman

  16 episodes, 1978