 Joseph Gordon-LevittJim Hawkins (voice) | Jim Hawkins (voice) |
 Brian MurrayJohn Silver (voice) | John Silver (voice) |
 Emma ThompsonCaptain Amelia (voice) | Captain Amelia (voice) |
 David Hyde PierceDoctor Doppler (voice) | Doctor Doppler (voice) |
 Martin ShortB.E.N. (voice) | B.E.N. (voice) |
| DDane A. DavisMorph (voice) | Morph (voice) |
 Michael WincottScroop (voice) | Scroop (voice) |
 Laurie MetcalfSarah (voice) | Sarah (voice) |
 Roscoe Lee BrowneMr. Arrow (voice) | Mr. Arrow (voice) |
 Patrick McGoohanBilly Bones (voice) | Billy Bones (voice) |
 Corey BurtonOnus (voice) | Onus (voice) |
 Michael McShaneHands (voice) | Hands (voice) |
 Tony JayNarrator (voice) | Narrator (voice) |
 Austin MajorsYoung Jim (voice) | Young Jim (voice) |
 Jack AngelAdditional Voices (voice) | Additional Voices (voice) |
 Bob BergenAdditional Voices (voice) | Additional Voices (voice) |
 Rodger BumpassAdditional Voices (voice) | Additional Voices (voice) |
 Jane CarrAdditional Voices (voice) | Additional Voices (voice) |
 John CyganAdditional Voices (voice) | Additional Voices (voice) |
 Jennifer DarlingAdditional Voices (voice) | Additional Voices (voice) |
 Paul EidingAdditional Voices (voice) | Additional Voices (voice) |
 Sherry LynnAdditional Voices (voice) | Additional Voices (voice) |
 Mona MarshallAdditional Voices (voice) | Additional Voices (voice) |
 Mickie McGowanAdditional Voices (voice) | Additional Voices (voice) |
 Patrick PinneyAdditional Voices (voice) | Additional Voices (voice) |
 Phil ProctorAdditional Voices (voice) | Additional Voices (voice) |
 Jeremy SuarezAdditional Voices (voice) | Additional Voices (voice) |
 Jim WardAdditional Voices (voice) | Additional Voices (voice) |
 Dee Bradley BakerFayvoon / Longbourne / Mertock (voice) (uncredited) | Fayvoon / Longbourne / Mertock (voice) (uncredited) |
 Peter CullenCaptain Nathaniel Flint (voice) (uncredited) | Captain Nathaniel Flint (voice) (uncredited) |
