Isaac Skidmore
Greg Heffley
Eli Hayden
Rodrick Heffley
John Orr
Rowley Jefferson
Abe Yates
Fregley
MacGregor Lakes
Jeff Kinney
Pamela Cveticanin
Susan Heffley
Luke Seals
Police Officer
Alex Wright
Extra
Joel Cortez
Extra
Reece Cveticanin
Extra
Sayer Kobersmith
Extra
Autumn Winkler
Extra
Carlton Sears
Extra
James Wright
Extra
Robert Capron
Self (archive footage)
Zachary Gordon
Self (archive footage)
Jeff Kinney
Self (archive footage)