Note: If you see a character's name instead of the voice actor or voice actress, it's because they either don't have a voice actor or I couldn't find the voice actor or actress.
Guardians of Childhood:
Alec Baldwin as North
Isla Fisher as Tooth
Hugh Jackman as Bunnymund
Sandy as himself
Big Four:
Chris Pine as Jack Frost
Mandy Moore as Rapunzel
Kelly Macdonald as Merida
Jay Baruchel as Hiccup
JiMePeJa:
Joseph Gordon-Levitt as Jim Hawkins
Tara Strong as Melody
Blayne Weaver as Peter Pan
Harriet Owen as Jane
Keyblade Wielders:
Haley Joel Osment as Sora
David Gallengher as Riku
Hayden Panettiere as Kairi
Jason Dohring as Terra
Willa Holland as Aqua
Jesse McCartney as Ven
Other Kingdom Hearts characters: (singing)(they'll be mentioned more in the sequel)
Jesse McCartney as Roxas
Brittany Snow as Namine
Justin Cowden as Hayner
Sean Marquette as Pence
Jessica DiCicco as Olette
Villains:
Jude Law as Pitch
Donna Murphy as Gothel
Mor'du as himself
Red Death as itself
Michael Wincott as Scroop
Pat Carroll as Morgana
Corey Button as Hook
Susanne Blakeslee as Maleficent
Other Disney Characters:
Scott Weinger as Aladdin
Linda Larkin as Jasmine
Jerry Orbach as Lumiere
David Ogden Stiers as Cogsworth
Angela Lansbury as Mrs. Potts
Bradley Pierce as Chip
Johnny Depp as Mad Hatter
Mia Wasikowska as Alice Kingsleigh
Helena Bonham Carter as Red Queen
Anne Hathaway as White Queen
Crispin Grover as Stayne - Knave of Hearts
Michael Sheen as White Rabbit
Stephen Fry as Cheshire Cat
Barbara Windsor as Dormouse
Paul Whitehouse as March Hare
Matthew Broderick as Simba
Neve Campbell as Kiara
Robert Guillaume as Rafiki
Moira Kelly as Nala
Nathan Lane as Timon
Jason Marsden as Kovu
Suzanne Pleshette as Zira
Ernie Sabella as Pumbaa
Jennifer Lien as Vitani
Jason Alexander as Hugo
Tom Hulce as Quasimodo
Tony Jay as Frollo
Charles Kimbrough as Victor
Demi Moore as Esmeralda
Anika Noni Rose as Tiana
Bruno Campos as Prince Naveen
Keith David as Dr. Facilier
Michael-Leon Wooley as Louis
Jim Cummings as Ray
Jenifer Lewis as Mama Odie
Britt Robertson as Allie Pennington
Gregg Sulkin as Will Wagner
Joey Pollari as Miles
Devon Graye as Marco
Molly C. Quinn as Jen
Don Lake as Allie's father
Christopher Tavarez as Lance Benwick
Ingrid Park as Allie's mother
Steve Valentine as Mr. Moore
Samuel E. Wright as Sebastian
Cam Clarke as Flounder
Non-Disney Characters:
Jack Palance as Lord Rothbart
Michelle Nicasto as Odette
Alana Mansour as Zoe Shannon
Shelley Conn as Elisabeth Shannon
Jason O'Mara as Jim Shannon
Jane's family:
Kath Soucie as Wendy
Andrew McDonough as Danny
Roger Rees as Edward
Jim's family:
Laurie Metacalf as Sarah Hawkins
Melody's, Kairi's and Peter's family:
Jodi Benson as Ariel
Rob Paulsen as Eric
Kenneth Mars as King Triton
Hiccup's family:
Gerald Butler as Stoick
Rapunzel's family:
Kari Wahlegren as Rapunzel's mother
Rapunzel's father as himself
Sora's family:
Paige O'Hara as Belle
Robby Benson as Beast
Rex Everhart as Maurice
Merida's family:
Emma Thompson as Elinor
Billy Connolly as Fergus
Hamish, Harris and Hubert as themselves
Melody's friends: (mentioned)
Max Casella as Tip
Stephen Furst as Dash
Hiccup's friends:
America Ferrera as Astrid
Jonah Hill as Snoutlout
Christopher Mintz-Plasse as Fishlegs
T.J. Miller as Ruffnut
Kristen Wiig as Tuffnut
Peter's friends:
Spencer Breslin as Cubby
Bradley Pierce as Nibs
Quinn Beswick as Slightly
Aaron Spann as Twins
Jim's friends:
Brian Murray as Silver
Martin Short as BEN
Dane A. Davis as Morph
Emma Thompson as Captain Amelia
David Hyde Pierce as Doctor Doppler
Believers:
Naomi Scott as Nicole Johnson
Bella Thorne as Annika Michaels
Vanessa Hudgens as Bailey Dawson(mentioned)
Landon Liboiron as Ethan Michaels
Dianna Agron as Olivia Woods(mentioned)
Heather Morris as Allie Woods(mentioned)
Diego Boneta as Alex Santiago(mentioned)
Dakota Goyo as Jamie Bennett
Georgie Grieve as Sophie Bennett
Olivia Mattingly as Pippa
Melissa Benoist as Marcy
Zendaya as Sapphire Michaels
Transformations:
Lion cub Sora as himself
Rain as Horse Jane
Koda as Bear cub Hiccup
