The wicked Blue Meanies take over Pepperland, eliminating all color and music. As the only survivor, the Lord Admiral escapes in the yellow submarine and journeys to Liverpool to enlist the help of the Beatles.
| Actor | Role |
|---|---|
 Paul AngelisRingo Starr / Chief Blue Meanie / George / Narrator (voice) | Ringo Starr / Chief Blue Meanie / George / Narrator (voice) |
 John CliveJohn Lennon (voice) | John Lennon (voice) |
 Dick EmeryJeremy Hillary Boob, Ph.D. - Nowhere Man / Lord Mayor / Max (voice) | Jeremy Hillary Boob, Ph.D. - Nowhere Man / Lord Mayor / Max (voice) |
 Geoffrey HughesPaul McCartney (voice) (as Geoff Hughes) | Paul McCartney (voice) (as Geoff Hughes) |
 Lance PercivalOld Fred (voice) | Old Fred (voice) |
| PPeter BattenGeorge (voice) (uncredited) | George (voice) (uncredited) |
 George HarrisonGeorge (uncredited) | George (uncredited) |
 John LennonJohn (uncredited) | John (uncredited) |
 Paul McCartneyPaul (uncredited) | Paul (uncredited) |
 Ringo StarrRingo (uncredited) | Ringo (uncredited) |