• 
  David Bowers

  regizor

• 
  Jeff Judah

  scenarist
• 
  Jeff Kinney

  scenarist

• 
  Rachael Harris

  Susan Heffley
• 
  Steve Zahn

  Frank Heffley
• 
  Zachary Gordon

  Greg Heffley
• 
  Connor Fielding

  Manny Heffley
• 
  Dalila Bela

  4 Year Old Girl

• 
  Devon Bostick

  Rodrick Heffley
• 
  Graeme Duffy

  Emcee
• 
  Grayson Russell

  Fregley
• 
  Jake D. Smith

  Archie kelly
• 
  Jakob Davies

  Scotty Douglas
• 
  John Shaw

  Mr. Draybick
• 
  Karan Brar

  Chirag Gupta

• 
  Laine MacNeil

  Patty Farrell
• 
  Manoj Sood
• 
  Owen Best

  Bryce anderson
• 
  Owen Fielding

  Manny Heffley
• 
  Peyton List

  Holly Hills
• 
  Robert Capron

  Rowley Jefferson
• 
  Elysia Rotaru

  Ingrid
• 
  Terence Kelly

  Grandpa
• 
  Fran Kranz

  Bill
• 
  Bryce Hodgson

  Ben Segal
• 
  Andrew McNee

  Coach Malone

• 
  Nina Jacobson

  producător
• 
  Brad Simpson

  producător
• 
  Ethan Smith

  coproducator