 Leonard WhitingRomeo | Romeo |
 Olivia HusseyJuliet | Juliet |
 John McEneryMercutio | Mercutio |
 Michael YorkTybalt | Tybalt |
 Milo O'SheaFriar Laurence | Friar Laurence |
 Pat Heywoodthe Nurse | the Nurse |
 Robert Stephensthe Prince | the Prince |
 Bruce RobinsonBenvolio | Benvolio |
 Paul HardwickLord Capulet | Lord Capulet |
 Natasha ParryLady Capulet | Lady Capulet |
 Antonio PierfedericiLord Montague | Lord Montague |
 Esmeralda RuspoliLady Montague | Lady Montague |
 Roberto BisaccoLord Paris | Lord Paris |
 Roy HolderPeter | Peter |
 Keith SkinnerBalthazar | Balthazar |
 Dyson LovellSampson | Sampson |
 Richard WarwickGregory | Gregory |
| RRoberto AntonelliAbraham | Abraham |
 Carlo PalmucciComplementary Role (uncredited) | Complementary Role (uncredited) |
 Salvatore BillaComplementary Role (uncredited) | Complementary Role (uncredited) |
 Claudio De DavideComplementary Role (uncredited) | Complementary Role (uncredited) |
 Paola TedescoComplementary Role (uncredited) | Complementary Role (uncredited) |
 Laurence OlivierNarrator (voice) (uncredited) | Narrator (voice) (uncredited) |
| AAntonio MarcoliniCapulet Party Guest (uncredited) | Capulet Party Guest (uncredited) |
 Andrés José Cruz SoubletteComplementary role (uncredited) | Complementary role (uncredited) |
