Aaron D. Harris

Greg Heffley (voice)

Chris Diamantopoulos

Frank Heffley (voice)

Erica Cerra

Susan Heffley (voice)

Hunter Dillon

Rodrick Heffley (voice)

Jude Zarzaur

Rowley Jefferson (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)