 | Paul Angelis als Ringo Starr / Chief Blue Meanie / George / Narrator (voice) |
 | John Clive als John Lennon (voice) |
 | Dick Emery als Jeremy Hillary Boob, Ph.D. - Nowhere Man / Lord Mayor / Max (voice) |
 | Geoffrey Hughes als Paul McCartney (voice) (as Geoff Hughes) |
 | Lance Percival als Old Fred (voice) |
 | Peter Batten als George (voice) (uncredited) |
 | George Harrison als George (uncredited) |
 | John Lennon als John (uncredited) |
 | Paul McCartney als Paul (uncredited) |
 | Ringo Starr als Ringo (uncredited) |
| George Dunning | Director |
| Al Brodax | Screenplay |
| Jack Mendelsohn | Screenplay |
| Lee Minoff | Screenplay |
| Erich Segal | Screenplay |
| John Williams | Director of Photography |
| Brian J. Bishop | Editor |
| Paul McCartney | Music |
| Al Brodax | Producer |
| Gillian Lacey | Animation |
| Robert Balser | Animation Director |
| Paul Driessen | Animation |
| John Lennon | Songs |
| Paul McCartney | Songs |
| George Harrison | Songs |
| Geoff Collins | Animation |
