Nathalie Cox as Miss Willoughby

Kelsey Grammer as Robert Thompson

Caroline Quentin as Sarah Clarkson

Steven Elder as Oliver Deakin

Tara Fitzgerald as Diana Branson

Louise Bangay as Helen Deakin

Wayne Gordon as DI Pryce

Nicholas Jones as Professor Vernon Murray

Bhavna Limbachia as Dr. Gaya Shirani

Marc Bannerman as Charles Vaines

Giacomo Gex as Young Robert Thompson

Scarlett Graham as Young Miss Willoughby

Lucas Livesey as Andrew

Lauren Dickinson as Briony

Russell Richardson as Vicar

Bryan Samson as Roland's Ghost

Barbara Jillings as Housekeeper Laura