Brady Noon

Greg Heffley (voice)

Hunter Dillon

Rodrick Heffley (voice)

Erica Cerra

Susan Heffley (voice)

Chris Diamantopoulos

Frank Heffley (voice)

Christian Convery

Fregley (voice)

Cyrus Arnold

Teen Driver (voice)

Lossen Chambers

Homeroom Teacher (voice)

Brenda Crichlow

Mrs. Fregley (voice)

Donny Lucas

Mr. Humphreys (voice)

Robert Moloney

Joshie (voice)

Gig Morton

Random Boy (voice)

Zeno Robinson

Teen with Baseball Hat (voice)

Gracyn Shinyei

Girl with Ponytail (voice)

Tristan Allerick Chen

Additional Voices (voice)