Protagonizada por: John (II) Alexander , Rick (I) Baker , Tim Blaney , Ben Bookbinder , Jim Carrey , Dean Chambers , David Costabile , Charles Croughwell , Christopher Culbertson , Michael Dahlen , Grainger Esch , Josh Ryan Evans , Walter Franks , Gavin Grazer , Aaron (I) Hamill , Jurgen Heimann , Anthony Hopkins , Clint Howard , Jeremy (I) Howard , Rance Howard , Ron (I) Howard , Bill (I) Irwin , Kevin Isola , Seth Adam Jones , Tommy Karlsen , Steve Kehela , Reid Kirchenbauer , Mason Lucero , Clayton Martinez , Kevin Medley , Jim Meskimen , Christopher Metas , Frankie (I) Ray , James (I) Ritz , Deep Roy , Otto Sander , Mark Setrakian , John Short , Bill Sturgeon , Jeffrey Tambor , T.J. Thyne , Verne Troyer , Frank Welker , Landry Allbright , Rachel Bailit , Christine Baranski , Eva Burkley , Rebecca Chace , Mindy Ferguson , Michaela Gallo , Heather Lea Gerdes , Bryce Dallas Howard , Q'Orianka Kilcher , Lacey Kohl , Suzanne Krull , Allie McCall , Ann (I) Mills , Sloane Momsen , Taylor Momsen , Bonnie (I) Morgan , Nadja Pionilla , Rain Pryor , Jessica Sara , Molly Shannon , Robin Kaye Shaw , Mary (I) Stein , Mindy Sterling , Lillias White , Caroline (I) Williams , Rachel Winfree .

Dirigida por: Ron (I) Howard .

Escrita por: Jeffrey Price , Peter S. Seaman , Dr. Seuss .

Producida por: Linda (I) Fields , Brian Grazer , Todd (I) Hallowell , Ron (I) Howard , Aldric La'Auli Porter , Louisa Velis , David Womark .

Musicalizada por: James Horner .

Géneros: Drama , Comedia , Familia , Fantasía .