 | Elizabeth Taylor als Catherine Holly |
 | Katharine Hepburn als Violet Venable |
 | Montgomery Clift als Dr. Cukrowicz |
 | Albert Dekker als Lawrence Hockstader |
 | Mercedes McCambridge als Grace Holly |
 | Gary Raymond als George Holly |
 | Mavis Villiers als Miss Foxhill |
 | Patricia Marmont als Nurse Benson |
 | Joan Young als Sister Felicity |
 | Maria Britneva als Lucy |
 | Sheila Robbins als Dr. Hockstader's Secretary |
| David Cameron als Young Blonde Intern |
 | Julián Ugarte als Sebastian Venable |
 | Eddie Fisher als Street Urchin |
| Beatrice Shaw als Elderly Lady |
| Frank Merlo als Audience Member at Operation |
 | Gore Vidal als Audience Member at Operation |
 | Sheila Raynor als Mother of Young Patient |
| Sandra White als Young Patient |
 | Rita Webb als Asylum Patient |
 | Ian Wilson als Patient |
| Florence Stark als Patient |
| Brenda Dunrich als Nurse |
 | Roberta Woolley als Nurse |
| Grace Denbigh Russell als Asylum Patient (uncredited) |
| Sam Spiegel | Producer |
| Malcolm Arnold | Original Music Composer |
| Gore Vidal | Screenplay |
| Buxton Orr | Original Music Composer |
| Joseph L. Mankiewicz | Director |
| Tennessee Williams | Theatre Play |
| Thomas Stanford | Editor |
| Tennessee Williams | Screenplay |
| William Kellner | Art Direction |
| William Hornbeck | Editor |
| Oliver Messel | Production Design |
| Jack Hildyard | Director of Photography |
| Basil Mannin | Scenic Artist |
| Fred Mannin | Scenic Artist |
| Michael Walter | Key Grip |
| Mike Rutter | Clapper Loader |
| Jean Osborne | Unit Publicist |
| Oliver Messel | Costume Design |
| Peter Thornton | Sound Editor |
| Bill Kirby | Production Supervisor |
| James Sawyer | Draughtsman |
| Tony Woollard | Draughtsman |
| Ceri Davies | Focus Puller |
| David Aylott | Makeup Artist |
| Midge Warnes | Production Secretary |
| Eileen Bates | Hairdresser |
| Joan Ellacott | Costume Design |
| Lily Payne | Wardrobe Assistant |
| Charles Nash | Assistant Makeup Artist |
| Patrick Clayton | Second Assistant Director |
| Jake Wright | Second Assistant Director |
| Charles Guerin | Wardrobe Master |
| John Jympson | Editorial Services |
| Roger Good | Location Manager |
| Eric Vincent | Sound |
| Scott Slimon | Set Decoration |
| Elaine Schreyeck | Continuity |
| Jean Louis | Costume Design |
| Ron Pope | Assistant Editor |
| Bluey Hill | Assistant Director |
| May Walding | Wardrobe Master |
| Jimmy James | Props |
| Norman Hartnell | Costume Design |
| Joan White | Hairstylist |
| Martin Atkinson | Draughtsman |
| Terence Morgan | Set Dresser |
| Francisco Prósper | Settings |
| Archie Dansie | Electrician |
| William Hornbeck | Editorial Consultant |
| Fred Lacey | Property Buyer |
| Buster Ambler | Sound Recordist |
| Jack Shampan | Draughtsman |
| John Cox | Sound |
| Ray Jones | Grip |
| Norma Garment | Production Secretary |
| Tom Howard | Visual Effects |
| Buxton Orr | Conductor |
| Peter Dukelow | Construction Manager |
| Gerry Fisher | Camera Operator |
| John Crome | Assistant Editor |
