 | Leonard Whiting als Romeo |
 | Olivia Hussey als Juliet |
 | John McEnery als Mercutio |
 | Michael York als Tybalt |
 | Milo O’Shea als Friar Laurence |
 | Pat Heywood als the Nurse |
 | Robert Stephens als the Prince |
 | Bruce Robinson als Benvolio |
 | Paul Hardwick als Lord Capulet |
 | Natasha Parry als Lady Capulet |
 | Antonio Pierfederici als Lord Montague |
 | Esmeralda Ruspoli als Lady Montague |
 | Roberto Bisacco als Lord Paris |
 | Roy Holder als Peter |
 | Keith Skinner als Balthazar |
 | Dyson Lovell als Sampson |
 | Richard Warwick als Gregory |
| Roberto Antonelli als Abraham |
 | Carlo Palmucci als Complementary Role (uncredited) |
 | Salvatore Billa als Complementary Role (uncredited) |
 | Claudio De Davide als Complementary Role (uncredited) |
 | Paola Tedesco als Complementary Role (uncredited) |
 | Laurence Olivier als Narrator (voice) (uncredited) |
| Antonio Marcolini als Capulet Party Guest (uncredited) |
 | Andrés José Cruz Soublette als Complementary role (uncredited) |
| Franco Zeffirelli | Director |
| Anthony Havelock-Allan | Producer |
| William Shakespeare | Theatre Play |
| Pasqualino De Santis | Director of Photography |
| Nino Rota | Original Music Composer |
| Franco Brusati | Screenplay |
| Reginald Mills | Editor |
| Franco Zeffirelli | Screenplay |
| Masolino D'Amico | Screenplay |
| John Brabourne | Producer |
| Richard Goodwin | Associate Producer |
| Dyson Lovell | Casting |
| Lorenzo Mongiardino | Production Design |
| Luciano Puccini | Art Direction |
| Danilo Donati | Costume Design |
| Giuseppe Bordogni | Production Supervisor |
| Isa Bartalini | Assistant Director |
| Dyson Lovell | Assistant Director |
| Rinaldo Ricci | Assistant Director |
| Alessandro Alberti | Assistant Art Director |
| Christine Edzard | Set Dressing Artist |
| Italo Tomassi | Set Designer |
| Sash Fisher | Sound Mixer |
| Maurice Askew | Sound Re-Recording Mixer |
| Peter Maxwell | ADR & Dubbing |
| Lionel Strutt | Sound Re-Recording Mixer |
| David Harcourt | Camera Operator |
| Dudley Lovell | Camera Operator |
| John Rushton | Assistant Editor |
| Giorgio De Vincenzo | Assistant Editor |
| Michael Hopkins | ADR & Dubbing |
| Pat Foster | Sound |
