- Zachary Levi
- Toby
- David Cross
- Ian
- Jason Lee
- Dave
- Justin Long
- Alvin
- Matthew Gray Gubler
- Simon
- Jesse McCartney
- Theodore
- Amy Poehler
- Eleanor
- Anna Faris
- Jeanette
- Christina Applegate
- Brittany
- Wendie Malick
- Dr. Rubin
- Anjelah Johnson-Reyes
- Julie
- Kathryn Joosten
- Aunt Jackie
- Kevin G. Schmidt
- Ryan
- Chris Warren Jr.
- Xander
- Bridgit Mendler
- Becca
- Aimee Carrero
- Emily
- Alexandra Shipp
- Valentina
- Gregg Binkley
- Emcee
- Betty Thomas
- Director
- Jon Vitti
- Screenwriter
- Jonathan Aibel
- Screenwriter
- Glenn Berger
- Screenwriter
- Janice Karman
- Producer
- Karen Rosenfelt
- Executive Producer
- Arnon Milchan
- Executive Producer
- Michele Imperato
- Executive Producer
- Steve Waterman
- Executive Producer
- Anthony B. Richmond
- Cinematographer
- Marcia Hinds
- Production Design
- Matt Friedman
- Film Editing
- David Newman
- Original Music
- Alexandra Welker
- Costume Design
- Juel Bestrop
- Casting
- Seth Yanklewitz
- Casting
- Bo Johnson
- Art Director
- Karen Agresti
- Set Decoration
