Overview The twenty-first series of
Casualty features a cast of characters working in the emergency department of
Holby City Hospital and
Holby Ambulance Service. Fifteen cast members from the previous series reprise their roles in this series.
Simon MacCorkindale stars as
emergency medicine consultant and clinical director
Harry Harper,
Susan Cookson as
specialist registrar in emergency medicine
Maggie Coldwell,
Liz Carling plays associate specialist
Selena Donovan and
Elyes Gabel as
senior house officer Guppy Sandhu.
Derek Thompson stars as clinical nurse specialist
Charlie Fairhead. Shipton stated "I’m thrilled to be working with Derek again. It feels as though Duffy has never been away."
Gerald Kyd makes a guest return as senior house officer
Sean Maddox in Episode 5 for five episodes. Laird departs in Episode 10 commenting "I'm very lucky to have had the opportunity to work with such wonderful people and play such a great character for five years." Bouzova departs in Episode 16 after her character Ellen is killed off.
Matt Bardock makes his debut as
paramedic Jeff Collier in Episode 25, initially for three months until Episode 39, before returning as a regular in
series 22.
Daphne Alexander arrives in Episode 26 as staff nurse Nadia Talianos with
Peter O'Brien joining as consultant Theo "Stitch" Lambert in Episode 38. Bailey leaves in Episode 38 with O'Brien and Carling departing at the conclusion of the series.
Main characters •
Daphne Alexander as Nadia Talianos (from episode 26) •
Luke Bailey as Sam Bateman (until episode 38) •
Matt Bardock as
Jeff Collier (episodes 24−39) •
Ian Bleasdale as
Josh Griffiths (until episode 17, from episode 36) •
Georgina Bouzova as
Ellen Zitek (until episode 16) •
Liz Carling as Selena Donovan (until episode 48) •
Susan Cookson as
Maggie Coldwell •
Elyes Gabel as Guppy Sandhu •
Kip Gamblin as
Greg Fallon •
Sam Grey as
Alice Chantrey •
Jane Hazlegrove as
Kathleen "Dixie" Dixon (from episode 3) •
Joanne King as Cyd Pyke (from episode 3) •
Martina Laird as
Comfort Jones (until episode 10) •
Simon MacCorkindale as
Harry Harper (until episode 25, from episode 47) •
Janine Mellor as
Kelsey Phillips •
Peter O'Brien as Theo "Stitch" Lambert (episodes 31−48) •
Suzanne Packer as
Tess Bateman •
Ben Price as
Nathan Spencer •
James Redmond as
John "Abs" Denham •
Derek Thompson as
Charlie Fairhead Recurring and guest characters •
Holly Aird as Laura Merriman (episodes 13−16) •
Elizabeth Bell as Peggy Spencer (episode 19) •
Alice Bird as Maria Harwood (episodes 42−43) •
Charlie Brooks as Sally Montgomery (episode 5) •
Tony Caunter as Tom Stopes (episode 3) •
George Costigan as Stephen Gregory MP (episodes 13−14) •
Angus Deayton as himself (episode 29) • Jack Dedman as Louis Fairhead (episodes 12−16) •
David Firth as Richard Bardon (episodes 6−40) •
Brenda Fricker as
Megan Roach (episode 29) •
Frank Grimes as Jim McConvey (episodes 30−31) • Romy Irving as Rosie Merriman (episodes 13−16) •
Gary Kemp as Matthew Merriman (episode 16) •
Gerald Kyd as
Sean Maddox (episodes 5−10) •
Stella Madden as Nora McConvey (episodes 30−31) •
Neil McDermott as Ben Harold (episodes 9 and 13) •
Stephen McGann as Sam Roach (episode 29) • James Midgley as Liam York (episodes 30−31) •
Scott Mills as Paul Lang (episode 11) •
Georgia Moffett as Elaine Walker (episode 34) •
Jacqueline Pearce as Elspeth Lang (episodes 10 and 12) •
Pauline Quirke as Jackie (episode 12) •
Cathy Shipton as
Lisa "Duffy" Duffin (episodes 1−2) •
Julia St John as Sarah Evans (episode 16) ==Episodes==