- Unknown:
- James Herriot
- Unknown:
- Johnny Byrne
- Unknown:
- Young James
- Producer:
- Bill Sellars
- Director:
- Roderick Graham
- James:
- Christopher Timothy
- Siegfried:
- Robert Hardy
- Tristan:
- Peter Davison
- Helen:
- Lynda Bellingham
- Calum:
- John McGlynn
- Jimmy Herriot:
- Oliver Wilson
- Rosie Herriot:
- Rebecca Smith
- Miss Livingstone:
- Hope Johnstone
- Arthur Hardwicke:
- Ralph Bowland
- Kit Bilton:
- Bill Croasdale
- Mrs Bilton:
- Muriel Rogers
- Ben Hardwicke:
- Carl Rae
- David:
- Nicholas Evans
- Calvert:
- Alan Partington
- BoSWOrth:
- Michael Lees
- Mr Buckle:
- Tom Harrison
- Billy Buckle:
- Paul McLain
- Mrs Wheatley:
- Enid Irvin
- Hubert:
- Alan Rothwell
- Deirdre McEwan:
- Andrea Gibb
