• 
  Kelly Hu

  Stacy Hirano
• 
  Caroline Rhea

  Linda Flynn-Fletcher
• 
  Dee Bradley Baker

  Perry the Platypus
• 
  Danny Jacob

  Additional Voices
• 
  Richard O'Brien

  Lawrence Fletcher
• 
  Dan Povenmire

  Dr. Heinz Doofenshmirtz
• 
  Maulik Pancholy

  Baljeet Tjinder
• 
  Thomas Brodie-Sangster

  Ferb Fletcher

• 
  Mitchel Musso

  Jeremy Johnson
• 
  Bobby Gaylor

  Buford Van Stomm
• 
  Vincent Martella

  Phineas Flynn
• 
  Isabella Murad

  Milly
• 
  Laura Dickinson

  Additional Voices
• 
  Robert Gaylor

  Buford Van Stomm
• 
  Jennifer L. Hughes

  Farmer's Wife

• 
  Jeff 'Swampy' Marsh

  Major Francis Monogram
• 
  Paul Alborough

  Professor Elemental
• 
  Jack McBrayer

  Irving DuBois