All Creatures Great and Small Season 6 is back with a fresh episode this Sunday on PBS Masterpiece.
The episode features Jenny receiving her acceptance letter from St. Thomas Hospital in London. Helen worries for her as she initially feels her little sister isn't ready for the realities of life. However, she soon realizes that she needs to let her step into the real world. Jenny tells Helen to accompany her to London to help her settle down
Meanwhile, Tristan visits the Beauvoirs for croquet lunch. General Beauvoir and Lord Neville try to mock his profession and class, but he respectfully gives them back. In the end, General Beauvoir accepts him. He tells him that all he wishes for is his daughter, Charlotte's happiness.
Elsewhere, Mrs. Hall requests Siegfried for a leave. Siegfried clearly panics whenever Mrs. Hall speaks of leaving Skeldale House. He tries to act tough, but in the end, he confesses that he feels scared of losing Mrs. Hall.
All Creatures Great and Small Season 6 Episode 4 cast and characters guide
Nicholas Ralph as James Herriot
Nicholas Ralph plays James Herriot in Episode 4 of All Creatures Great and Small Season 6. He plays a crucial role in making Helen understand that it's important to let Jenny explore her life. He also treats Alderson's horse, which has mastitis. In the end, Richard gets impressed by James's efforts at building the boundary of the farm.
Simon West as Siegfried Farnon

Simon West plays Siegfried, the leading vet of Skeldale House. In this episode, when he learns about Mrs. Hall leaving for Suderland to attend Rosie's birthday, he panics. Initially, he tries to act all tough but fails. It has clearly affected him, and in the end, he confesses. In this episode, he also treats Mrs. Stokes's goat Helga, who was limping due to hoops.
Rachel Shenton as Helen

Rachel Shenton plays Helen, Robert Alderson's elder daughter and James's adorable wife in All Creatures Great and Small Season 6. She is a mother of two, and she excels in farm work.
In this episode, when she learns about Jenny's college acceptance, she rejoices initially. Later, when the realisation that Jenny might be leaving the farm forever hits, she panics. She feels that her little sister might not be ready for the big move. Later, when she finds their heirloom patchwork blanket, she sews her patch and passes it on to Jenny. Helen eventually realises that she needs to let Jenny explore the world beyond Darrowsby. In the end, she agrees to accompany her to London to help her settle.
Imogen Clawson as Jenny

Imogen Clawson plays Jenny, Helen's sister, in All Creatures Great and Small Season 6. In this episode, she receives a happy update: she's accepted into nursing college. Even though initially she seems confident and excited about the move, she later realises that she isn't ready. Helen motivates her. She asks Helen to accompany her to London, who agrees.
Anna Madeley as Mrs. Hall
Anna Madeley plays Mrs. Audrey Hall, the able and kind housekeeper of Skeldale House. In this episode, she tells Siegfried that she wants to take a leave to attend her granddaughter's birthday in Suderland. Mrs. Hall even helps Tristan to learn croquet.
Callum Woodhouse as Tristan

Callum Woodhouse plays Tristan in All Creatures Great and Small Season 6. In this episode, he visits the Beauvoirs' mansion for Croquet lunch. When General Beauvoir realizes that Charlotte is truly happy with Tristan, he accepts him. He even asks him to teach him bar billiards.
Other pivotal characters:
- Tony Pitts as Richard Alderson, Helen and Jenny's father
- Gaia Wise as Charlotte Beauvoir
- Susan Hilton as Mrs. Stokes
- Jonathan Hyde as General Beauvoir
- Thomas Richies as Jimmy, Helen, and James's son
- Autumn and Arlie Doyle as Rosie, Helen, and James's little daughter.
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