 | Kate Winslet als Mary Anning |
 | Saoirse Ronan als Charlotte Murchison |
 | Gemma Jones als Molly Anning |
 | James McArdle als Roderick Murchison |
 | Alec Secăreanu als Dr. Lieberson |
 | Fiona Shaw als Elizabeth Philpot |
 | Sarah White als Museum Cleaning Woman |
 | Liam Thomas als Museum Workman |
 | Sam Parks als Curator |
 | Claire Rushbrook als Eleanor Butters |
 | Nick Pearse als Three Cups' Waiter |
 | Victoria Elliott als Three Cups' Maid |
 | Beatrice Curnew als Party Guest |
 | Susie Baxter als Party Guest |
 | Gethin Alderman als Party Guest |
 | Robert Purdy als Party Guest |
 | Max Dowler als Party Guest |
 | Paul Dodds als Party Guest |
 | John Mackay als Fine Gentleman |
 | Mladen Petrov als David The Postman |
 | Wendy Nottingham als Charlotte's Maid |
 | David Juritz als Musician |
 | Ben Hancox als Musician |
 | James Boyd als Musician |
 | Peter Gregson als Musician |
 | Michael Hennessy als Garden Party Guest (uncredited) |
 | Harvey Scrimshaw als Callow Youth (uncredited) |
| Iain Canning | Producer |
| Emile Sherman | Producer |
| Fodhla Cronin O'Reilly | Producer |
| Francis Lee | Director |
| Stéphane Fontaine | Director of Photography |
| Chris Wyatt | Editor |
| Dustin O'Halloran | Original Music Composer |
| Volker Bertelmann | Original Music Composer |
| Johnnie Burn | Sound Designer |
| Fiona Weir | Casting Director |
| Ivana Primorac | Hair Designer |
| Michael O'Connor | Costume Designer |
| Sarah Finlay | Production Design |
| Robert How | Co-Producer |
| Nicky Earnshaw | Co-Producer |
| Simon Gillis | Executive Producer |
| Mary Burke | Executive Producer |
| Rose Garnett | Executive Producer |
| Zygi Kamasa | Executive Producer |
| Francis Lee | Writer |
| Guy Bevitt | Art Direction |
| Richard Field | Supervising Art Director |
| Sophie Hervieu | Set Decoration |
| Charlotte Rogers | Key Makeup Artist |
| Charlotte Rogers | Key Hair Stylist |
| Deborah Harding | Post Production Supervisor |
| Emma Harrison | Unit Manager |
| Polly Jefferies | Production Supervisor |
| Lucy Andrews | Third Assistant Director |
| Simon Hedges | First Assistant Director |
| Gemma Nunn | Second Assistant Director |
| Jess Alexander | Graphic Designer |
| India Jaques | Assistant Art Director |
| Dina Karklina | Construction Manager |
| Georgina Millett | Graphic Designer |
| Paddy Paddison | Standby Art Director |
| Ewan Robertson | Property Master |
| Rebecca Todd | Assistant Set Decoration |
| Cara Walker | Petty Cash Buyer |
| Katherine Bridle | Associate Producer |
| Viveene Campbell | Costume Supervisor |
| Phil Cape | Production Sound Mixer |
| Crispin Layfield | Stunt Coordinator |
| Dani Biernat | Stunt Coordinator |
| Hannah Jennings | Production Coordinator |
| Jonah Mayfield | Assistant Production Coordinator |
| Yara Caubet | Travel Coordinator |
| Alfred Golding | Production Assistant |
| Tila Sampaio Diogo | Production Assistant |
| Anu Anderson | Producer's Assistant |
| Jesse Jeune | Writers' Assistant |
| Jim Hajicosta | Production Accountant |
| Nicholas Hajicosta | First Assistant Accountant |
| Lesley-Ann Halls | Second Assistant Accountant |
| Dougal Cadiou | Post Production Accountant |
| Bill Brown | Art Direction |
| Sara Kuna | Art Department Trainee |
| Katie Adamson | Set Decoration Buyer |
| Chloe James | Assistant Set Decoration |
| Chloe Taylor | Assistant Set Decoration Buyer |
| Anu Pekkarinen | Set Production Assistant |
| David Harriman | Set Production Assistant |
| Catharine Brown | First Assistant "A" Camera |
| Alison Streatfield | Second Assistant "A" Camera |
| Johannes Lohmann | Camera Trainee |
| Kristin Davis | Digital Imaging Technician |
| Sylvester Weekes | Video Assist Operator |
| Richard Cornelius | Steadicam Operator |
| Tamsin Spivey | Script Supervisor |
| Agatha A. Nitecka | Still Photographer |
| Helena Beeson | First Assistant Editor |
| John Weeks | First Assistant Editor |
| Scott Clements | First Assistant Editor |
| Andy Cole | Gaffer |
| Alan Graham | Best Boy Electric |
| Patrick Gledhill | Generator Operator |
| Dean Coffey | Electrician |
| Raz Khamehseifi | Electrician |
| Colin Strachan | Key Grip |
| Lee Hosken | Standby Carpenter |
| Anna Kot | Assistant Costume Designer |
| Grace Clark | Principal Costumer |
| Holly Rosenthal | Principal Costumer |
| Sarah Brest | Truck Supervisor |
| Rosie Sinfield | Hairstylist |
| Rosie Sinfield | Makeup Artist |
| Josh Hartnett | Dressing Prop |
| Massimo Vico | Special Effects Supervisor |
| Daniel Vico | Special Effects Technician |
| Eddy Pearce | Location Manager |
| Stephanie Andrew | Assistant Location Manager |
| Ziggy Gray | Location Assistant |
| Sarah Wilson | Casting Associate |
| Anna Seifert-Speck | Script Editor |
| Ruth Goodman | Script Consultant |
| Simon Jarrett | Script Consultant |
| Sam Ashby | Title Designer |
| John Scrafton | Unit Publicist |
| Laura Hart | Dialect Coach |
| Trisha Joyce | Unit Medic |
| Mick Hurrell | Health and Safety |
| Jo Vaughan | Animal Coordinator |
| Julie Tottman | Animal Coordinator |
| Jonjo Stickland | Marine Coordinator |
| Darren Payne | Specialized Driver |
| Irfan Reza | Specialized Driver |
| Len Bond | Specialized Driver |
| Nigel Moore | Specialized Driver |
| Rob Davies | Specialized Driver |
| Neil Samels | Catering Head Chef |
| Ian Crane | Specialized Driver |
| Christian Muresan | Specialized Driver |
| Calin Nicoara | Specialized Driver |
| Sorin Pop | Specialized Driver |
| Livu Radu | Specialized Driver |
| Steve Slater | Specialized Driver |
| Simone Charnley | Specialized Driver |
| Dave Creed | Head Carpenter |
| Janis Abolins | Carpenter |
| Tihamer Laszlo | Carpenter |
| Alisdair McCabe | Carpenter |
| Paul Molinaro | Carpenter |
| Robert J. Dugdale | Painter |
| Darryl King | Painter |
| Dave Pearce | Painter |
| Lana Rake Lasmane | Painter |
| Josh Rakes | Painter |
| Johnnie Burn | Sound Re-Recording Mixer |
| Simon Carroll | First Assistant Sound Editor |
| Brendan Feeney | Sound Editor |
| Simon Carroll | Sound Recordist |
| Oscar Burn | Sound Recordist |
| Caoimhe Doyle | Foley Artist |
| Jonathan Reynolds | Foley Mixer |
| Ciara Mahon | Foley Recordist |
| Marie Valentino | Digital Intermediate Producer |
| Mark Shrapnell-Smith | Digital Intermediate Assistant |
| Rachael Maree Kelly | Digital Intermediate Assistant |
| Dan Turner | Mix Technician |
| Jonathan Rush | Mix Technician |
| Isabelle Julien | Digital Colorist |
| Jacopo Landi | Visual Effects Supervisor |
| Laura Murphy | Visual Effects Coordinator |
| Max King | Visual Effects Production Assistant |
| Tom Cowlishaw | CG Artist |
| Marta Gargano | Digital Compositor |
| Alice Locuratolo | Digital Compositor |
| Matthew D'Angibau | Matchmove Supervisor |
| Stephen J. Smith | Roto Supervisor |
| Maurizio Di Vitto | Rotoscoping Artist |
| Jenny Gauci | Rotoscoping Artist |
| Paddy Eason | Visual Effects Supervisor |
| Danit Kiblansky | Digital Compositor |
| Vincent Goodsell | Digital Compositor |
| Pat Wong | Digital Compositor |
| Ozan Yildiri | Digital Compositor |
| Mick Abela | Visual Effects Producer |
| Dan Marbrook | Visual Effects Producer |
| Marta Caceres | Visual Effects Producer |
| Sophie Tarver | Prop Maker |
| Roland Nebe | Orchestrator |
| Gregor Keienburg | Orchestrator |
| Jan Andres | Orchestrator |
| Constanze Sannemüller | Musician |
| Bryan Senti | Musician |
| Moritz Kolb | Musician |
| Dustin O'Halloran | Musician |
| Volker Bertelmann | Musician |
| Peter Pejtsik | Conductor |
| John Boughtwood | Music Supervisor |
| Ali Griffiths | Visual Effects Producer |
| Ben Winkler | Orchestrator |
| Ivana Primorac | Makeup Designer |
