- Penelope Wilton
- Beatrix Potter
- Holly Aird
- Young Beatrix
- James Campbell
- Young Bertram
- John Woodvine
- Mr. Potter
- Richard Aylen
- Mr. Cox (the butler)
- Jennifer Marriott
- Elizabeth (the maid)
- Rosemary Martin
- Mrs. Potter
- Tenniel Evans
- Mr. Millais
- Victoria Burton
- Lily Langtry
- Fanny Rowe
- Jessie Crompton
- John Welsh
- Canon Rawnsley
- Lois Daine
- Annie Moore
- Bunny May
- Stallholder
- James Grout
- Sir Henry Roscoe
- James Bree
- Mr. Thiselton-Dyer
- Nicholas Lovell
- Noel Moore
- Emma Cregeen
- Freda Moore
- Jonty Lovell
- Eric Moore
- Anna Simon
- Nora Moore
- Timothy Bateson
- Printer
- John Stratton
- Harold Warne
- Donald Gee
- Norman Warne
- Jeremy Nicholas
- Bertram
- Sally Home
- Millie Warne
- Justine Simon
- Nellie Warne
- Sophie Ashton
- Winifred Warne
- Michael Hordern
- Narrator
- James Bryce
- Heckler
