Gary Anthony Williams
Mr. McFly / Construction Worker (voice), Mr. McFly / Audience #1 (voice), Mr. McFly (voice), Mr. McFly / Incidental Male #3 (voice)
Carl Faruolo
Stuart / Neander Paul (voice), Greg / Citizen #3 (voice), Stuart / Nerdy Kid / Nice Kid (voice), Greg / Merman (voice), Stuart / Music Guy / Worker (voice), Stuart / Greg / Neander Paul (voice)
Emily Eiden
Maz Scare-ah / Girl Scout (voice), Maz Scare-ah (voice), Girl Scout (voice)
Harland Williams
Patrick / Podcast Host / Guy (voice), Patrick (voice)
Debra Wilson
Louise / Little Girl (voice), Police Officer #2 / Old Lady (voice), Louise / Female Cop (voice), Louise / Electronic Voice (voice), Louise (voice)
Parvesh Cheena
Loudspeaker (voice), Principal Loudspeaker (voice)
Misty Lee
Roxanne (voice), Roxanne / Audience #2 (voice)
Paul Rugg
Clerk (voice), Dr. Bolster (voice), Orderly (voice)
Erika Ishii
Liv (voice), Jenna (voice), Liv / Jenna (voice)
Kari Wahlgren
Coffe Maker (voice), Toasty (voice), Baby Toasty (voice)
Courtenay Taylor
Dr. Squats / Tintin (voice), Dr. Squats (voice)
Nicolas Cantu
Smooth Jason / Wrinkly (voice), Smooth Jason (voice)
Ethan Banville
Bob Awman (voice), Influencer #2 (voice)
Scott Menville
Toasty (voice), Declan (voice)
Mel Benson
Mailman / Citizen #2 (voice)
Ryan George
Sellers / Break-In Buster 3000 (voice)
