Cast of A Mistake

24 credited, in billing order.

Acacia O'Connoras Lisa

Elizabeth Banksas Liz Taylor

Simon McBurneyas Andrew McGrath

Mickey Sumneras Robin

Rena Owenas Tessa

Richard Crouchleyas Richard

Matthew Sunderlandas Owen

Emmett Skiltonas Alexander Colton

Ally Xueas Mei-Lynn

Ella Hope-Higginsonas Josie

Joel Tobeckas Alistair

Emma Draperas Jan

Byron Collas Jason Latham

Daniel Wattersonas Anesthesiologist

Nick Dunbaras Simon Martin

Fern Sutherlandas Jessica

Georgie

Georgieas Atticus the Dog

Niwa Whatuiraas Dr Te Kiwa Prescott

Ariadne Baltazaras Narysha

Sarah Peirseas Mary - Head of Surgery

Amelia Reynoldsas Vet

Ian Hughesas Dr. Ben Matthews

Chelsie Preston Crayfordas Registrar

Kieran Milton

Kieran Miltonas Doctor (uncredited)

Crew

CChristine JeffsProducer · Screenplay · DirectorAAlison ThompsonExecutive ProducerAndrea ScarsoExecutive ProducerCChristelle ConanExecutive ProducerMMark GooderExecutive ProducerPPeter ToucheExecutive ProducerMMatthew MetcalfeProducerFFrank IlfmanOriginal Music ComposerJJohn ToonDirector of PhotographyPPaul MaxwellEditor