• 
  Charles Adler

  Captain Caveman Jr.
• 
  Jon 'Bowzer' Bauman

  Additional Voices (voice)
• 
  Peter Cullen

  Additional Voices (voice)
• 
  Jim Cummings

  Additional Voices (voice)
• 
  Rick Dees

  Additional Voices (voice)
• 
  Richard Erdman

  Additional Voices (voice)
• 
  Takayo Fischer

  Additional Voices (voice)
• 
  Pat Fraley

  Additional Voices (voice)

• 
  Arte Johnson

  Additional Voices (voice)
• 
  Aron Kincaid

  Additional Voices (voice)
• 
  René Le Vant

  Additional Voices (voice)
• 
  Allan Lurie

  Additional Voices (voice)
• 
  Tress MacNeille

  Additional Voices (voice)
• 
  Mel Blanc

  Dino / Captain Caveman (voice)
• 
  Hamilton Camp

  Barney Rubble (voice)