• 
  Kiefer Sutherland

  Bron (voice)
• 
  Barry Bostwick

  Longneck (voice)
• 
  Camryn Manheim

  Tria (voice)
• 
  Tony Amendola

  Narrator (voice)
• 
  Damon Wayans Jr.

  Wild Arms (voice)
• 
  Jeff Bennett

  Petrie
• 
  Aria Noelle Curzon

  Ducky
• 
  Anndi McAfee

  Cera

• 
  Rob Paulsen

  Spike
• 
  Felix Avitia

  Littlefoot
• 
  Reba McEntire

  Etta (voice)
• 
  George Ball

  Mr. Treehorn (voice)
• 
  Corey Burton

  Mr. Threehorn
• 
  Cam Clarke

  Bron
• 
  Jim Cummings

  Grandpa Longneck (voice)

• 
  Miriam Flynn

  Grandma (voice)
• 
  Meghan Strange

  Ruby (voice)
• 
  Scott Whyte

  Bron (voice)
• 
  Isaac Brown

  Chomper (voice)
• 
  Tony Amendola

  Narrator (voice)
• 
  Tony Amendola

  Narrator (voice)
• 
  Issac Ryan Brown

  Chomper