So Long, and Thanks for All the Smoothies?

Cast

• 

  Yuri Lowenthal

  Ben Tennyson (voice)

• 

  Tara Strong

  Young Ben Tennyson (voice)

• 

  Bumper Robinson

  Rook Blonko (voice)

• 

  Paul Eiding

  Grandpa Max (voice)

• 

  David Kaye

  Cannonbolt / Heatblast / Khyber the Huntsman (voice)

• 

  John DiMaggio

  Armodrillo / Fourarms (voice)

• 

  Eric Bauza

  Dr. Psychobos / Diamondhead / Grey Matter (voice)

• 

  Dee Bradley Baker

  Crashhopper / Stinkfly / Spidermonkey / Wildmutt (voice)

• 

  Alexander Polinsky

  Argit (voice)

• 

  Kevin Michael Richardson

  Emperor Milleous (voice)

• 

  Kimberly Brooks

  Serena (voice)

• 

  Rob Paulsen

  Rhomboid Vreedle (voice)