Greg Heffley (voice)
Frank Heffley (voice)
Susan Heffley (voice)
Rodrick Heffley (voice)
Rowley Jefferson (voice)
Manny Heffley (voice)
Mrs. Canfield (voice)
Mr. Warren (voice)
Troopmaster Barrett (voice)
Lenwood (voice)
Priest (voice)
Organ Lady (voice)
Ricky Fisher (voice)
Mrs. Winsky (voice)
Mr. Jefferson (voice)
Narrator (voice)
Mr. Gupta (voice)
Patty (voice)
Kindergarten Mom (voice)
Chirag (voice)
Weston (voice)
Gruff Neighbor (voice)
Student (voice)
Fregley (voice)
Fitness Instructor (voice)
Mikey (voice)
Oversized 4 Year Old (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)