Greg Heffley……………………...........................………….......................………................…….…...Syd Mendelson

Rowley Jefferson………………..........................................………….....................……….…....Madison Thacker

Patty Farrell……………………….............……...........................…………..............................……...…...Giulia Ventello

Fregley/Manny Jefferson………............……...........................………….………..….….Natalie Dalton

Chirag Gupta……………………..............………...........................…………........................…….……Echo Dhillon

Rodrick Heffley/Claire…………...............………..……...........................………….........…....Max Tanaka

Bryce Anderson/Joshie…….................................…………....................………….…….…Nathan Kikonyogo

Lionel James………………..............………...........................………….....................................…...…...Django Nachmanoff

Chris Hosey…………………...............………...........................…………................................…………….Maddi Dubois

Pauline………………………...................…………………..............................…………..............….………....……Chloe Hernandez

Yvette……………………….................…………................…………………..............................………...……………Olivia Leone

Charlie Davis………………..............………….................…………………..............................……………..Reed Atherton

Susan Heffley/Mrs. Clayton/Fregley’s Mom……......……..............…Alex Sullivan

Frank Heffley/Mr. Underwood/Mr. Huff……..........................................…..Finley Chevrier

Eighth Grader 1....................................................................................................................................Viveka Frisk

Eighth Grader 2…………….......................................................................…............……........….…...Ellington Tanner

Swing……………….......................................................................................………………….................….…........Emmy Bender

Swing………………………………...................................…………………..............................…………….…………...Abby Marr

Swing…………………………………..............................…………………......................................................………..Layna Tarbotton

Swing……………………................…………………..............................…………………..............…………............….Sophie Wolfinger