- Colleen O'Shaughnessey
- Sora Takenouchi / Mrs. Mochizuki (voice)
- Cherami Leigh
- Biyomon / Birdramon / Yokomon (voice)
- Cristina Valenzuela
- Meiko Mochizuki
- Robbie Daymond
- Joe Kido
- Johnny Yong Bosch
- T.K. Takaishi
- Natsuki Hanae
- Taichi Yagami
- Vic Mignogna
- Matt Ishida
- Kirk Thornton
- Tsunomon / Gabumon / Garurumon / WereGarurumon / MetalGarurumon (voice)
- Kate Higgins
- Gatomon / Angewomon / Magnadramon / Nyaromon / Meicoomon (voice)
- John Eric Bentley
- Narrator
- Kyle Hebert
- Greymon / MetalGreymon / WarGreymon (voice)
- Tara Sands
- Kari Kamiya / News Reporter (voice)
- Mona Marshall
- Izzy Izumi / Garudamon / Pheonixmon (voice)
- Daisuke Namikawa
- Daigo Nishijima
- Takahiro Sakurai
- Tentomon / Kabuterimon / AtlurKabuterimon / HerakleKabuterimon (voice)
- Junko Takeuchi
- Gomamon / Ikkakumon / Zudomon / Vikemon (voice)
- Aaron LaPlante
- Hackmon / Professor Mochizuki (voice)
- Doug Erholtz
- Daigo Nishijima / Koromon / Susumu Kamiya (voice)
- Yoshimasa Hosoya
- Yamato Ishida
- Jun'ya Enoki
- Takeru Takaishi
- Anna Garduno
- Palmon / Tanemon (voice)
- Philece Sampler
- Mimi Tachikawa
- Dorothy Elias-Fahn
- Lillymon / Rosemon / Yuuko Kamiya (voice) (as Dorothy Fahn)
- Hiroaki Hirata
- Narrator / Dark Gennai (voice)
- Joshua Seth
- Tai Kamiya / Motimon (voice)
- Laura Summer
- Patamon
- Mao Ichimichi
- Hikari Yagami
- Dave Mallow
- (voice) (credit only)
- Jeff Nimoy
- Tentomon / Kabuterimon / MegaKabuterimon / HerculesKabuterimon / Dark Gennai (voice)
- Mutsumi Tamura
- Koushiro Izumi
- Tom Fahn
- Agumon
- Shunsuke Takeuchi
- Huckmon
- Chika Sakamoto
- Koromon / Agumon / Greymon / MetalGreymon / WarGreymon (voice)
- Melodee Spevack
- Birdramon
- Yutaka Aoyama
- Professor Mochizuki
- R. Martin Klein
- Gomamon / Ikkakumon (voice) (as Bob Klein)
- Suzuko Mimori
- Sora Takenouchi
- Hitomi Yoshida
- Mimi Tachikawa / Mrs. Mochizuki (voice)
- Junya Ikeda
- Joe Kido
- Mayumi Yamaguchi
- Tsunomon / Gabumon / Garurumon / WereGarurumon / MetalGarurumon (voice)
- Kinoko Yamada
- Palmon / Togemon / Lilimon / Rosemon (voice)
- Yukiko Morishita
- Meicoomon
- Miho Arakawa
- Meiko Mochizuki
- Atori Shigematsu
- Piyomon / Birdramon / Garudamon / Hohoumon / Yuuko Yagami (voice)
- Miwa Matsumoto
- Patamon / Angemon / HolyAngemon / Seraphimon (voice)
- Amir Salehian
- Amir
- Yuka Tokumitsu
- Tailmon / Angewomon / Holydramon (voice)
- Mari Devon
- Togemon
- Todd Haberkorn
- Digimon Emperor
- Jamieson Price
- Angemon / MagnaAngemon / Seraphimon (voice) (uncredited)
- Michael Sorich
- Zudomon / Vikemon / Omnimon (voice) (uncredited)
