 | Oscar Isaac als Gomez Addams (voice) |
 | Charlize Theron als Morticia Addams (voice) |
 | Chloë Grace Moretz als Wednesday Addams (voice) |
 | Finn Wolfhard als Pugsley Addams (voice) |
 | Nick Kroll als Uncle Fester (voice) |
 | Snoop Dogg als Cousin It (voice) |
 | Bette Midler als Grandma (voice) |
 | Allison Janney als Margaux Needler (voice) |
 | Martin Short als Grandpa Frump (voice) |
 | Catherine O'Hara als Grandma Frump (voice) |
 | Tituss Burgess als Glenn (voice) |
 | Jenifer Lewis als Great Auntie Sloom (Voice) |
 | Elsie Fisher als Parker Needler (voice) |
 | Conrad Vernon als Lurch / Priest / Spirit of the House / Dr. Flambe (voice) |
 | Aimee Garcia als Denise (voice) |
 | Scott Underwood als Mitch (voice) |
 | Mikey Madison als Candi the Barista (voice) |
 | Chelsea Frei als Bethany (voice) |
 | Pom Klementieff als Layla & Kayla (voice) |
 | Deven Green als Ms. Gravely (voice) |
 | Maggie Wheeler als Trudy Pickering (voice) |
 | Harland Williams als Norman Pickering / Ggerri (voice) |
| Conrad Vernon | Director |
| Greg Tiernan | Director |
| Charles Addams | Characters |
| Matt Lieberman | Screenplay |
| Kevin Pavlovic | Editor |
| David Ian Salter | Editor |
| Craig Kellman | Character Designer |
| Alex Pepin | Animation |
| Emma Marie DuPell | First Assistant Director |
| Scott Underwood | Head of Story |
| Ruth Lambert | Casting |
| Robert McGee | Casting |
| Gail Berman | Producer |
| Andrew Mittman | Executive Producer |
| Kevin Miserocchi | Executive Producer |
| Pamela Pettler | Screenplay |
| Matt Lieberman | Story |
| Conrad Vernon | Producer |
| Alexandra Schwartz | Producer |
| Alison O'Brien | Producer |
| Joe Earley | Executive Producer |
| Jason Cloth | Executive Producer |
| Jeff Danna | Original Music Composer |
| Mychael Danna | Original Music Composer |
| Aaron L. Gilbert | Executive Producer |
| Erica Rivinoja | Story |
| Conrad Vernon | Story |
| Pilar Flynn | Executive Producer |
| Bruce Franklin | Co-Producer |
| Antony Hunt | Associate Producer |
| John Kambites | Co-Producer |
| Joel MacDonald | Producer |
| Alex Schwartz | Producer |
| Nicole Stinn | Co-Producer |
| Charlize Theron | Executive Producer |
| Greg Tiernan | Executive Producer |
| Barbara Zelinski | Line Producer |
| Patricia Atchison | Production Design |
| Jayne Armstrong | Post Production Supervisor |
| Romy Barber | Post Production Assistant |
| Nicholas Elwell | Production Manager |
| Kitt Holeman | Production Manager |
| Youngihn Amy Hwang | Production Manager |
| Tara Kemes | General Manager |
| Kerri McMurray | Production Manager |
| Natalie Samanon | Post Production Supervisor |
| Sharan Wood | Production Manager |
| Kyu Hyung Ray Lee | Lighting Artist |
| Kyu Hyung Ray Lee | Compositing Artist |
| Laura Gorenstein Miller | Choreographer |
| Leiki Veskimets | Production Manager |
| Ellery Van Dooyeweert | Editor |
