Thicker Than Water

Debbie and Jo are identical twins. After Jo is killed in a car accident, Debbie starts to act increasingly like Jo. Mysterious circumstances lead Jo's widower Sam to suspect that the accident wasn't an accident at all.

Thriller TV Movie

Theresa Russell

(Debbie / Jo)

Jonathan Pryce

(Sam)

Robert Pugh

(Paul)

Catherine Neilson

(Chloe)

Richard Lynch

(Dorian Phipps)

Alan David

(Chief Superintendent)

Crispin Letts

(Nastygram)

Sion Probert

(Nastygram Agent)

James Rourke

(Waiter)

Dino Loddo

(Waiter)

Jack Waters

(Mini-Cab Man)

Meredith Kratzer

(Young Voices)

Zoe Groves

(Debbie (aged 8))

Kirsty Groves

(Jo (aged 8))

Peter Doran

(Estate Agent)

Rhys Parry Jones

(Charge Nurse Howard)

Lisa Palfrey

(Young Mother)

Ri Richards

(Young Mother)

Rachel Sanders

(Hotel Receptionist)

Hugh Thomas

(Psychiatrist)

Martin Troakes

(Ellis)

Grahame Fox

(Dalton (uncredited))