Young James Herriot

Iain De Caestecker

James Herriot

Amy Manson

Whirly Tyson

Ben Lloyd-Hughes

Rob McAloon

Natasha Little

Mrs. Munro

Gary Lewis

Professor Quintin Gunnell

Ralph Riach

Professor Henry Legge

Tony Curran

Professor Donald Richie

Joanna Vanderham

Susannah Harker

Jimmy Yuill

David Bark-Jones

Ciarán McMenamin

Heather Nimmo

Jake Wilson

Adam Levy

Danny Rahim

Louise Goodall

Ryan Smith

Stephen McCole

Kieran Bew