Aaron D. Harris

Greg Heffley (voice)

Chris Diamantopoulos

Frank Heffley (voice)

Erica Cerra

Susan Heffley (voice)

Hunter Dillon

Rodrick Heffley (voice)

Gracen Newton

Manny Heffley (voice)

Jill Basey

Mrs. Canfield (voice)

Bashir Salahuddin

Mr. Warren (voice)

William Stanford Davis

Troopmaster Barrett (voice)

Jabari Banks

Lenwood (voice)

P.L. Brown

Priest (voice)

Grey DeLisle

Organ Lady (voice)

Dashiell McGaha-Schletter

Ricky Fisher (voice)

Punam Patel

Mrs. Winsky (voice)

Randy Pearlstein

Mr. Jefferson (voice)

Talon Warburton

Narrator (voice)

Sanjay Rao

Mr. Gupta (voice)

Matt Danner

Additional Voices (voice)

Johnny Gidcomb

Additional Voices (voice)

Sawyer Holt

Additional Voices (voice)

Lex Lang

Additional Voices (voice)

Susan Leslie

Additional Voices (voice)

Hope Levy

Additional Voices (voice)

Kyrie McAlpin

Additional Voices (voice)

Matt Nolan

Additional Voices (voice)