 | Oscar Isaac als Gomez Addams (voice) |
 | Charlize Theron als Morticia Addams (voice) |
 | Chloë Grace Moretz als Wednesday Addams (voice) |
 | Javon Walton als Pugsley Addams (voice) |
 | Nick Kroll als Uncle Fester (voice) |
 | Snoop Dogg als Cousin Itt (voice) |
 | Bette Midler als Grandma (voice) |
 | Bill Hader als Cyrus Strange (voice) |
 | Wallace Shawn als Mr. Mustela (voice) |
 | Conrad Vernon als Lurch / Spirit of the House (voice) |
 | Brian Sommer als Big Bad Ronny (voice) |
 | Courtenay Taylor als Girl in Water (voice) |
 | Cherami Leigh als Ophelia (voice) |
 | Mary Faber als Miss Lurleen / Texas Lady / Pageant Lady / PA Voice (voice) |
 | Kyla Pratt als Book Girl / Volcano Kid / Festival Kid #1 / Peggy (voice) |
 | Charlet Chung als Girlfriend / Festival Kid #2 / Girl on Beach (voice) |
 | Kyle Chapple als Proposing Guy / Jerk on Beach / Truck Driver (voice) |
 | Griffin Burns als Dorky Boy (voice) |
| Ted Evans als Pongo (voice) |
| Ava Luna Floisand als Corny Girl (voice) |
| Peter James King als Merch Guy (voice) |
| Giorgio Bertolone | Rigging Supervisor |
| Nicholas Smolyn | Senior Animator |
| Charles Addams | Creator |
| Sam Van Hulle | Modeling |
| Conrad Vernon | Director |
| Shane Merner | Modeling |
| Aaron Steadman | Modeling |
| Gail Berman | Producer |
| Jonathan Glickman | Executive Producer |
| Andrew Mittman | Producer |
| Dan Hernandez | Writer |
| Casey Kirkpatrick | Modelling Supervisor |
| Mitch Paulson | Digital Colorist |
| Cassidy Lange | Co-Producer |
| Dení C. Gloria | Associate Producer |
| Benji Samit | Writer |
| Danielle Sher | Modeling |
| Greg Tiernan | Director |
| Fiona Lui | Production Coordinator |
| Dean Wright | Visual Effects |
| Dení C. Gloria | Production Coordinator |
| Michael Paxton | Story Coordinator |
| Aaron L. Gilbert | Executive Producer |
| Joel Dougherty | Sound Re-Recording Mixer |
| Ben Queen | Writer |
| Susanna Fogel | Writer |
| Dan Hernandez | Story |
| Benji Samit | Story |
| Charles Addams | Characters |
| Jason Cloth | Executive Producer |
| Warren Franklin | Executive Producer |
| Jeff Danna | Original Music Composer |
| Mychael Danna | Original Music Composer |
| Ryan Folsey | Editor |
| Tim Chau | Supervising Sound Editor |
| Tim Chau | Sound Re-Recording Mixer |
| Tim Chau | Sound Designer |
| Joe Lemola | Sound Effects Editor |
| Joseph Tsai | Sound Effects Editor |
| Clayton Weber | Sound Designer |
| Kathleen Shugrue | Art Direction |
| Leiki Veskimets | Production Manager |
