James Herriot

Christopher Timothy

Siegfried Farnon

Robert Hardy

Helen Herriot

Lynda Bellingham

Tristan Farnon

Peter Davison

Calum Buchanan

John McGlynn

Margaretta Scott

David Quilter

Mr. Biggins / Biggins / Mr Biggins

John Sharp

James Cossins

Deirdre McEwan / Deidre Buchanan

Andrea Gibb

Derek Hicks

James Grout

Harold Goodwin

Helen Herriot

Carol Drinkwater

Donald Pickering

James Norris

Sharon Twomey

Ruth Holden

Bryan Pringle

Brian Osborne

Mrs. Hall

Mary Hignett

Donald Morley

Peter Ivatts

James Ottaway

Wanda Ventham

Veronica Smart

Philip Martin Brown

Ray Mort

Brian McGrath

Peter Benson

Lorraine Peters

Alex Wilson

Ivan Beavis

Hannah Thomson

Fenella Norman

Handshaw / Mr. Hartley / Mr Hartley

Peter Martin

Mark Kingston

Norman Mitchell

Martin Potter

Pearl Hackney

James Warrior

David Cook

Ken Wynne

Bert Gaunt

Claire Williamson

Jane Clifford

Noel Cameron

Finetime Fontayne

Ina Clough

Anthony Langdon

Jeff Mallock / Mallock

Fred Feast

Olga Grahame

Teddy Turner

Harry Goodier

Andrew Abrahams

Alison Lloyd

Anthony Havering

Mrs Alton

Jean Heywood

Jack May

Gillian Hanna

Sandra Gough

John Junkin

Len Birtwhistle / Eric Handshaw / Sam Broadbent

Ashley Barker

Peter McCulloch

Trevor Nelson

Jimmy Herriot

Oliver Wilson

Margaret Heery

Robert Falconer

Ted Carroll

Edward Dentith

Geoffrey Leesley

Rosie Herriot

Rebecca Smith

Roger Bingham

Kristine Howarth

Mrs. Greenlaw

Judy Wilson

Richard Edmundson

Norman Mann

Mr. Buckle / Eli Bagley / Reynolds

Tom Harrison

Mrs. Bond

Sonia Graham

Jeff Mallock / Mr. Mallock

Frank Birch