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Wesley Kimmel as Greg Heffley (voice) |
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Erica Cerra as Susan Heffley (voice) |
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Christian Convery as Fregley (voice) |
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Chris Diamantopoulos as Frank (voice) |
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Hunter Dillon as Rodrick Heffley (voice) |
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Spencer Howell as Rowley (voice) |
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Gracen Newton as Manny Heffley (voice) |
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Gabriel Iglesias as Officer Vasquez (voice) |
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Ego Nwodim as Officer Leonard (voice) |
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Lisa Ann Walter as Gabby (voice) |
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Randy Pearlstein as Mr. Jefferson (voice) |
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Anthony Parnther as Nutcracker (voice) |
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Windham Rotunda as Prison Guard (voice) |
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Jeannette Reyes as Weatherperson (voice) |
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Will Kinney as Hooligan #1 (voice) |
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Grant Kinney as Hooligan #2 (voice) |
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Juliet Donenfeld as Additional Voices (voice) |
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Johnny Gidcomb as Additional Voices (voice) |
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Luke Lowe as Additional Voices (voice) |
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Matt Nolan as Additional Voices (voice) |
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Lily Oliver as Additional Voices (voice) |
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Carson Pak as Additional Voices (voice) |
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Chrystee Pharris as Additional Voices (voice) |
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Somali Rose as Additional Voices (voice) |
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Marley Soleil as Additional Voices (voice) |
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Benjamin Valic as Additional Voices (voice) |
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Paul-Mikél Williams as Additional Voices (voice) |
| Writing | Jeff Kinney | Book |
| Production | Jeff Kinney | Producer |
| Directing | Luke Cormican | Director |
| Writing | Jeff Kinney | Writer |
| Crew | Jim McVay | CG Supervisor |
| Production | Christian Kaplan | Casting |
| Visual Effects | Jeff Kinney | Character Designer |
| Sound | John Paesano | Original Music Composer |
| Production | Suzanne Yavuz | Casting |
