Oscar Isaac Gomez Addams (voice) Charlize Theron Morticia Addams (voice) Chloë Grace Moretz Wednesday Addams (voice) Nick Kroll Uncle Fester (voice) Snoop Dogg It (voice) Bette Midler Grandma (voice) Bill Hader Cyrus Strange (voice) Wallace Shawn Mr. Mustela (voice) Conrad Vernon Lurch / Spirit of the House (voice) Courtenay Taylor Girl in Water (voice) Cherami Leigh Ophelia (voice) Kyla Pratt Book Girl / Volcano Kid / Festival Kid #1 / Peggy (voice) Charlet Chung Girlfriend / Festival Kid #2 / Girl on Beach (voice) Kyle Chapple Proposing Guy / Jerk on Beach / Truck Driver (voice)