 | Gwyneth Paltrow als Sylvia Plath |
 | Daniel Craig als Ted Hughes |
 | Jared Harris als Al Alvarez |
 | Amira Casar als Assia Wevill |
 | Andrew Havill als David Wevill |
 | Sam Troughton als Tom Hadley-Clarke |
 | Lucy Davenport als Doreen |
 | Anthony Strachan als Michael Boddy |
 | Blythe Danner als Aurelia Plath |
 | Michael Gambon als Professor Thomas |
 | Alison Bruce als Elizabeth |
 | David Tristan Birkin als Morecambe |
 | Sonia Ritter als Midwife |
 | Julian Firth als James Michie |
 | Derek Payne als Vicar |
| Christine Jeffs | Director |
| Alison Owen | Producer |
| Sandy Powell | Costume Design |
| John Toon | Director of Photography |
| Gabriel Yared | Original Music Composer |
| Tariq Anwar | Editor |
| Maria Djurkovic | Production Design |
| Karen Lindsay-Stewart | Casting |
| Jane Barclay | Executive Producer |
| David M. Thompson | Executive Producer |
| Tracey Scoffield | Executive Producer |
| Sharon Harel-Cohen | Executive Producer |
| Robert Jones | Executive Producer |
| David Appleby | Still Photographer |
| John Brownlow | Screenplay |
| Tim Cole | Line Producer |
| Ian Gibbons | Line Producer |
| Mary Richards | Line Producer |
| Phil Rymer | Associate Producer |
| Neris Thomas | Co-Producer |
