All Creatures Great and Small is set to return on Channel 5, with the upcoming episode featuring a clash between Tristan Farnon (portrayed by Callum Woodhouse) and Richard Carmody (James Anthony-Rose) over living arrangements.
In another storyline, James Herriot (Nicholas Ralph) aims to comfort a client when he is summoned regarding a sick cow.
Mrs Hall (Anna Madeley) attempts to mend the rift between Tristan and Carmody, by dispatching them on a joint mission to Pumphrey Manor. A casual remark from a client leaves James wrestling with some deeply suppressed emotions, while Helen (Rachel Shenton) expresses concern for him.
James confides in Helen about something he's been concealing for a while. The remainder of the main cast, including Siegfried Farnon (Samuel West) and Mrs Pumphrey (Patricia Hodge), will also be back for the latest episode.
Here's everything you need to know about the guest stars joining episode four.
Mrs Herbert - Caroline Chesworth
Caroline Chesworth portrays Mrs Herbert. She is a Manchester and London-based actress who embarked on her acting career later in life.
She has a background as an NHS clinical psychologist, an award-winning businesswoman, and a mother of three. Her acting credits include Brassic, Better, Meet the Richardsons, and Hollyoaks.
Sid Crabtree - Ryan Hawley
Sid Crabtree, one of James's clients, is played by Ryan Hawley, a 39-year-old actor. He is most recognised for his role as Robert Sugden in Emmerdale from 2014 to 2019.
The actor is married to Daisy Prestes de Oliveira, and they have two sons together.
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Harry - Bailey Brook
Bailey Brook, known for his role as Sergeant Charles Bailey in Masters of the Air and his appearance in The Rising, portrays Harry. A graduate of the Manchester School of Theatre in 2020, Brook also boasts acting credits in Casualty, Silent Witness, and Father Brown.
Jim Oakley - Nicholas Collett
Nicholas Collett, an award-winning actor, writer, producer, and director from Sheffield, plays Jim Oakley. Known for his theatre roles, Collett is the co-founder of Third Party Productions.
His television appearances include Timebusters and Knightmare, and he has featured in several Afternoon Plays on Radio 4.
