- Shinobu Nakayama
- Mayumi Nagamine
- Ai Maeda
- Ayana Hirasaka
- Yukijirô Hotaru
- Inspector Tsutomu Osako
- Ayako Fujitani
- Asagi Kusanagi
- Senri Yamazaki
- Mito Asakura
- Tôru Tezuka
- Shin'ya Kurata
- Yuu Koyama
- Tatsunari Moribe
- Nozomi Andô
- Miyuki Moribe - Tatsunari's Younger Siser
- Kei Horie
- Shigeki Hinohara - Ayana's Cousin
- Norito Yashima
- Sakurai
- Hirotarô Honda
- Mr. Saito
- Aki Maeda
- Young Ayana
- Hiroyuki Watanabe
- Regimental Commander
- Yukie Nakama
- Female Camper
- Kunihiko Mitamura
- Ayana's Father
- Takahiro Itô
- Satoru Hirasaka - Ayana's Younger Brother
- Kazuko Katô
- Ayana's Mother
- Yûsuke Kawazu
- Akio Nojiri
- Toshie Negishi
- Mrs. Hinohara - Ayana's Aunt
- Satoru Saitô
- Mr. Hinohara - Ayana's Uncle
- Nijiko Kiyokawa
- Tatsunari's Grandmother
- Miyuki Komatsu
- Female Reporter in Shibuya
- Tomorô Taguchi
- Doctor
- Christine M. Auten
- Asakura Mito
- Marcy Bannor
- Female Anchor B / Mother Nagamine (voice)
- Vicki Barosh
- Moribe Grandmother / Female Talkshow Guest A (voice)
- Cameron Bautsch
- Moribo
- Bob Biggerstaff
- Lieutenant C / Submersible Navigator (voice)
- Jessica Boone
- Miyuki / Pedestrian Woman A (voice)
- Heather Bryson
- Female Reporter A
- Rick Burford
- Male Reporter A
- Shelley Calene-Black
- Pedestrian Woman B / Mother Hirasaka / School Girl A / House Mother / Answering Machine (voice)
- Victor Carsrud
- Lieutenant D / Submersible Captain / Talkshow Director (voice)
- Luci Christian
- Asagi Kusangi
- Kaytha Coker
- Rail Car Intercom
- Marcie Corder
- Auntie Mamma / Female Interview B (voice)
- Kelli Cousins
- Hirasaka Ayana / Young Hirasaka (voice)
- Jason Douglas
- Kurata Shinya
- Cynthia Ann Feaster
- Bully Girl / Pedestrian Woman C / Talkshow Host Female (voice) (as Cynthia Feaster)
- Marty Fleck
- Officer Tan
- Patrick Givens
- Father Hirasaka
- Joey Goubeaud
- Paramedic
- Tiffany Grant
- Dr. Nagamine
- Alex Harder
- Kobayashi, Submersible Pilot
- Richard Hasenmyer
- Mobile Radio Guy / Interpreter (voice)
- Steven Hasenmyer
- Moribe Friend
- Hikaru Ijûin
- Policeman
- Kyle Jones
- Male Anchor B / Bum A / Joe Hollywood / Submersible Pilot 2 / Radar Guy B (voice)
- John Kaiser
- Professor Nojiri
- Paul Locklear
- Cousin Brother
- Andy McAvin
- Lieutenant / Policeman Old / Rail Station Official (voice)
- Thomas Meerbott
- Military Bee / Bullhorn Guy (voice)
- Vic Mignogna
- Doctor / Male Anchor A (voice)
- Kazu Nagahama
- Male Camper
- Chris Nelson
- Talkshow Producer
- Duc Nguyen
- Sakurai
- Masahiro Noguchi
- Police Officer
- Neil O'Sullivan
- Radio Guy
- Tony Oller
- Satoru / Pedestrian Boy (voice)
- David Parker
- Captain / Male Interview A (voice)
- Rick Peeples
- Mister Glasses
- Ted Pfister
- Talkshow Host / Chief Cabinet Secretary (voice)
- Charlie Purdy
- Military Cee
- Marcy Rae
- Female Interview A
- Hal Raleigh
- Commander / Uncle Daddy (voice)
- Hal Rawley
- Ayana's Uncle / Air Defense Sub-Commander (voice)
- Monica Rial
- School Girl B / Pedestrain Mother / Female Anchor A / Weather Lady / Camper Female (voice)
- Henry Rogers
- Submersible Mate
- Don Rush
- Policeman B
- Wade Shemwell
- Policeman A
- Osamu Shigematu
- Salaryman Interviewee
- Paul Sidello
- Osako
- Kenneth Smith
- Messenger
- Yukitomo Tochino
- Homeless Man
- David Williams
- Lieutenant B
- Mike Yantosca
- Military A / Mobile Radio Guy B / Rail Station Intercom (voice)
- Kenjirô Ishimaru
- Military Leader
