• 
  John Hough

  regizor

• 
  Malcolm Marmorstein

  scenarist

• 
  Bette Davis

  Letha
• 
  Christopher Lee

  Dr. Victor Gannon
• 
  Kim Richards

  Tia
• 
  Ike Eisenmann

  Tony
• 
  Adam Roarke

  Museum security guard
• 
  Richard Bakalyan

  Eddie

• 
  Lloyd Nelson

  Museum Guard
• 
  William Bassett

  Operations Officer
• 
  Gary Owens

  Newscaster
• 
  Denver Pyle

  Uncle Bene
• 
  Ruth Warshawsky

  Lady in Car
• 
  Ward Costello

  Mr. Clearcole
• 
  Stu Gilliam

  Dolan

• 
  Jeffrey Jacquet

  Rocky
• 
  Anthony James

  Sickle
• 
  Christian Juttner

  Dazzler
• 
  Brad Savage

  Muscles
• 
  Tom Scott

  Monitor
• 
  Jack Soo (I)

  Mr. Yokomoto
• 
  Poindexter Yothers

  Crusher (as Poindexter)