Brady Noon
Greg Heffley (voice)
Acting
Ethan William Childress
Rowley Jefferson (voice)
Acting
Hunter Dillon
Rodrick Heffley (voice)
Acting
Erica Cerra
Susan Heffley (voice)
Acting
Chris Diamantopoulos
Frank Heffley (voice)
Acting
Ed Asner
Grandpa Heffley (voice)
Acting
Linda Lavin
Barb (voice)
Acting
Loretta Devine
Irene (voice)
Acting
Priscilla Lopez
Merle (voice)
Acting
Nathan Arenas
Mackie (voice)
Acting
Albert Tsai
Drew (voice)
Acting
Hudson Yang
Larry (voice)
Acting
Jimmy Tatro
Bill (voice)
Acting
Kimberly Brooks
News Anchor (voice)
Acting
Gracen Newton
Manny (voice)
Acting
Vincent Tong
Leland (voice)
Acting
Veena Sood
Elevator Lady (voice)
Acting
Ava Acres
Additional Voices (voice)
Acting