Voice Actors
Like in its predecessor, Kingdom Hearts II features a lot of voice actors.
I haven't found all the Japanese voice actors yet.
¤ Original Characters
| Character | Japanese Version | English Version |
| Sora | Miyu Irino | Haley Joel Osment |
| Kairi | Risa Uchida | Hayden Panettiere |
| Riku | Mamoru Miyano | David Gallagher |
| Roxas | Jesse McCartney | |
| Hayner | Justin Cowden | |
| Pence | Sean Marquette | |
| Olette | Jessica Di Cicco | |
| Namine | Brittany Snow | |
| DiZ | Akio Ôtsuka | Christopher Lee |
| Ansem | Akio Ôtsuka | Christopher Lee |
| Xemnas | Paul St. Peter | |
| Xigbar | James Patrick Stuart | |
| Saïx | Kirk Thornton | |
| Luxord | Robin Atkins-Downes | |
| Xehanort | Richard Epcar | |
| Axel | Keiji Fujiwara | Quinton Flynn |
| Xaldin | David Dayan Fisher | |
| Demyx | Ryan O'Donohue |
¤ Final Fantasy Characters
| Character | Japanese Version | English Version |
| Setzer Gabbiani | Crispin Freeman | |
| Cloud Strife | Takahiro Sakurai | Steve Burton |
| Tifa Lockhart | Ayumi Ito | Rachael Leigh Cook |
| Aerith Gainsborough | Maaya Sakamoto | Mena Suvari |
| Cid Highwind | Kazuyuki Yama | Chris Edgerly |
| Yuffie Kisaragi | Yumi Kakazu | Mae Whitman |
| Sephiroth | Toshiyuki Morikawa | George Newbern |
| Leon (Squall Leonhart) | Hideo Ishikawa | Doug Erholtz |
| Selphie Tilmitt | Mayuko Aoki | Molly Keck |
| Seifer | Kenichi Suzumura | Will Friedle |
| Fuu (Fujin) | Jillian Bowen | |
| Rai (Raijin) | Masahiro Kobayashi | Brandon Adams |
| Vivi Ornitier | Melissa Disney | |
| Auron | Hideo Ishikawa | Matt Mckenzie |
| Yuna | Mayuko Aoki | Hedy Burress |
| Rikku | Tara Strong | |
| Paine | Gwendoline Yeo |
¤ Disney Characters
| Character | Japanese Version | English Version |
| Donald | Kôichi Yamadera | Tony Anselmo |
| Goofy | Yutaka Shimaka | Bill Farmer |
| King Mickey | Yakashi Aoyagi | Wayne Allwine |
| Queen Minnie | Yûko Mizutani | Russi Taylor |
| Yen Sid | Corey Burton | |
| Merlin | Jeff Bennett | |
| Fauna | Russi Taylor | |
| Flora | Tress MacNeille | |
| Merryweather | Kath Saucy | |
| Mulan/Ping | Ming-Na | |
| Mushu | Kôichi Yamadera | Mark Moseley |
| Captain Li Shang | B.D. Wong | |
| Yao | Harvey Fierstein | |
| Chien-Po | Jerry Tondo | |
| Ling | Gedde Watanabe | |
| Emperor of China | Pat Morita | |
| Shan Yu | Hiroshi Fujioka | Corey Burton |
| The Beast | Kôichi Yamadera | Robby Benson |
| Belle | Paige O'Hara | |
| Cogsworth | David Ogden Stiers | |
| Lumiere | Jeff Bennett | |
| Mrs. Potts | Angela Lansbury | |
| Wardrobe | Jo Anne Worley | |
| Chip | Tress MacNeille | |
| Dale | Corey Burton | |
| Winnie the Pooh | Jim Cummings | |
| Tigger | Tesshô Genda | Jim Cummings |
| Piglet | Kiyoshi Komiyama | John Fielder |
| Rabbit | Ken Samsom | |
| Eeyore | Gregg Berger | |
| Owl | Andre Stojka | |
| Kanga | Tress MacNeille | |
| Roo | Jimmy Bennett | |
| Gopher | Michael Gough | |
| Hercules | Yasunori Matsumoto | Tate Donovan |
| Philoctetes | Ichirô Nagai | Robert Costanzo |
| Megara | Susan Egan | |
| Hades | James Woods | |
| Daisy Duck | Mika Doi | Tress MacNeille |
| Pete | Tôru Ôhira | Jim Cummings |
| Ariel | Mayumi Suzuki | Jodi Benson |
| Sebastian | Kôichi Yamadera | Kevin Michael Richardson |
| Flounder | Yuki Tokura | Parker Goris |
| King Triton | Tarô Ishida | Kenneth Mars |
| Prince Eric | Christopher Daniel Barnes | |
| Ursula | Pat Carroll | |
| Jack Sparrow | Hiroaki Hirata | James Arnold Taylor |
| Will Turner | Crispin Freeman | |
| Elizabeth Swann | Eliza Schneider | |
| Captain Barbossa | Brian George | |
| Aladdin | Shinichirô Miki | Scott Weinger |
| Iago | Akira Kamiya | Gilbert Gottfried |
| Abu | Frank Welker | |
| Princess Jasmine | Linda Larkin | |
| Genie | Kôichi Yamadera | Dan Castellaneta |
| Jafar | Akira Takarada | Jonathan Freeman |
| The Peddler | Corey Burton | |
| Jack Skellington | Masachika Ichimura | Chris Sarandon |
| Sally | Kath Soucie | |
| Dr. Finkelstein | Jess Harnell | |
| The Mayor | Glenn Shadix | |
| Shock | Yuko Doi | Kath Soucie |
| Lock | Shintarou Sonooka | Jess Harnell |
| Barrel | Shigeo Matsuzawa | Jeff Bennett |
| Santa Claus | Corey Burton | |
| Oogie Boogie | Hiroshi Hatanaka | Ken Page |
| Young Simba | Jonathan Taylor Thomas | |
| Simba | Cam Clarke | |
| Timon | James Arnold Taylor | |
| Pumbaa | Ernie Sabella | |
| Nala | Vanessa Marshall | |
| Mufasa | James Earl Jones | |
| Rafiki | Robert Guillaume | |
| Scar | James Horan | |
| Shenzi | Tress MacNeille | |
| Banzai | Cheech Marin | |
| Ed | Jim Cummings | |
| Tron | Bruce Boxleitner | |
| Sark | Corey Burton | |
| MCP | Corey Burton | |
| Maleficent | Susan Blakeslee | |
| Jiminy Cricket | Kaneta Kimotsuki | Eddie Carroll |
| Chicken Little | Zach Braff | |
| Stitch | Chris Sanders | |
| Peter Pan | Christopher Steele |