Renée Zellweger as Beatrix Potter

Ewan McGregor as Norman Warne

Emily Watson as Millie Warne

Barbara Flynn as Helen Potter

Bill Paterson as Rupert Potter

Matyelok Gibbs as Miss Wiggin

Lloyd Owen as William Heelis

Anton Lesser as Harold Warne

David Bamber as Fruing Warne

Phyllida Law as Mrs. Warne

Patricia Kerrigan as Fiona

Lucy Boynton as Young Beatrix

Oliver Jenkins as Young Bertram

Justin McDonald as Young Heelis

Judith Barker as Hilda

Jennifer Castle as Jane

Christopher Middleton as Saunders

Lynn Farleigh as Lady Sybil

John Woodvine as Sir Nigel

Jane How as Lady Armitage

Geoffrey Beevers as Mr. Copperthwaite

Bridget McConnell as Lady Stokely

Joseph Grieves as Lionel Stokely

Clare Clifford as Mrs. Haddon-Bell

Andy McSorley as Harry Haddon-Bell

Sarah Crowden as Lady Clifford

Richard Mulholland as Ashton Clifford

Marc Finn as Mr. Cannon

Nicholas Hutchison as Meeting Chairman

Mike Burnside as Man at Meeting

Dominic Kemp as Auctioneer

Barry McCormick as Bidder

Neil Burgess as Station Staff (uncredited)

Avril Clark as Woman in Bookshop (uncredited)

David Malcolm as Platform Passenger (uncredited)

Pam Rose as Lady (uncredited)

Andrew Sloey as Young Farmer (uncredited)