- Dan Stevens
- Charles Condomine
- Judi Dench
- Madame Arcati
- Leslie Mann
- Elvira Condomine
- Isla Fisher
- Ruth Condomine
- Aimee-Ffion Edwards
- Edith
- Emilia Fox
- Violet Bradman
- Julian Rhind-Tutt
- Mr Bradman
- James Fleet
- Harry Price
- Michele Dotrice
- Edna
- Simon Kunz
- Henry Mackintosh
- Dave Johns
- Howard
- Callie Cooke
- Googie Withers
- Stella Stocker
- Greta Garbo
- Georgina Rich
- Hedda Hopper
- Colin Stinton
- Cecil B DeMille
- Adil Ray
- Mandeep Singh
- Delroy Atkinson
- Reverend Green
- Tam Williams
- Donald
- Connor Jones
- MGM Camera Operator
- Charlie Carter
- Newspaper Man
- Issy Van Randwyck
- Margot
- Jaymes Sygrove
- Clark Gable
- Zach Wyatt
- Tennis Coach
- Peter A Rogers
- Young Hitchcock
- Edward Hall
- Director
- Piers Ashworth
- Screenwriter
- Meg Leonard
- Producer, Screenwriter
- Nick Moorcroft
- Producer, Screenwriter
- Andrew Boswell
- Executive Producer
- Zoe Davis
- Executive Producer
- Jay Firestone
- Executive Producer
- Philip Greader
- Executive Producer
- Nessa McGill
- Executive Producer
- Rick Senat
- Executive Producer
- Joanna Lambert Smith
- Executive Producer
- Peter Snell
- Producer
- James Spring
- Producer
- Hilary Bevan Jones
- Producer
- Martin Metz
- Producer
- Toni Pinnolis
- Producer
- Adrian Politowski
- Producer
- Ed Wild
- Cinematographer
- Paul Tothill
- Film Editing
- Simon Boswell
- Original Music
- John Paul Kelly
- Production Design
- John McHugh
- Art Director
- Caroline Smith
- Set Decoration
- Charlotte Walter
- Costume Design
- Alex Johnson
- Casting
