Casualty Learning Curve: Episode 4 (Season 40, Episode 12)
TV Episode | Drama

Primary photo for Learning Curve: Episode 4

Casualty

Learning Curve: Episode 4 (Season 40, Episode 12)

TV Episode | Drama

Siobhan goes to get evidence gathered after being sexually assaulted. Dylan and Matty try to find out the cause of a car accident with multiple casualties. Kim is concerned about the relationship of a patient with an injured foot.

Director

Jamie Annett

Writers

Claire Miller (written by) | Jeremy Brock (series devised by) | Paul Unwin (series devised by) | Erin Kubicki (lead writer)

Producer

Nest Gwenllian Roberts (produced by)

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Edit Released

Updated Jan 31, 2026

Release date

Jan 31, 2026 (United Kingdom)

Awards

Series awards

23 wins & 58 nominations

Contacts

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Cast	+ Add Cast
20 cast members

Name	Known for
Melanie Hill Siobhan McKenzie Siobhan McKenzie See fewer	Stardust (2007)
Elinor Lawless Stevie Nash Stevie Nash See fewer	EastEnders (1985)
William Beck Dylan Keogh Dylan Keogh See fewer	Snatch (2000)
Olly Rix Flynn Byron Flynn Byron See fewer	Our Girl (2013)
Jasmine Bayes Kim Chang Kim Chang See fewer	Hijack (2023)
Aron Julius Matty Linlaker Matty Linlaker See fewer	Death on the Nile (2022)
Michael Stevenson Iain Dean Iain Dean See fewer	Casualty (1986)
Naomi Wakszlak Indie Jankowski Indie Jankowski See fewer	Casualty (1986)
Kirsty Mitchell Faith Dean Faith Dean See fewer	Casualty (1986)
Barney Walsh Cam Mickelthwaite Cam Mickelthwaite See fewer	King Arthur: Legend of the Sword (2017)
Milo Clarke Theodore 'Teddy' Gowan Theodore 'Teddy' Gowan See fewer	How to Navigate Being A Monster (2024)
Sarah Daniela Seggari Rida Amaan (as Sarah Seggari) Rida Amaan (as Sarah Seggari) See fewer	Slow Horses (2022)
Anna Chell Jodie Whyte Jodie Whyte See fewer	The Bay (2019)
Sammy T. Dobson Nicole Piper Nicole Piper See fewer	I, Daniel Blake (2016)
Georgia Mackenzie Fiona Shaw Fiona Shaw See fewer	Steel Trap (2007)
Morgan James Bryn Ellis Bryn Ellis See fewer	13 Graves (2019)
Michael Starke Malcolm Sutton Malcolm Sutton See fewer	Formula 51 (2001)
Derek Griffiths Leon Powell Leon Powell See fewer	Fierce Creatures (1997)
Sarah Lawrence Isha Sharma Isha Sharma See fewer	Hollyoaks (1995)
Richard Dempsey Thomas Delaware Thomas Delaware See fewer	1917 (2019)