Bob Peck

~ as ~

Detective Sergeant Cooper

Miranda Richardson

~ as ~

Dr. Sarah Blakeney

Douglas Hodge

~ as ~

Jack Blakeney

Trudie Styler

~ as ~

Joanna Lascelles

Beth Winslet

~ as ~

Ruth Lascelles

Siân Phillips

~ as ~

Mathilda Gillespie

Virginia McKenna

~ as ~

Violet Orloff

Paul Brooke

~ as ~

Duncan Orloff

Miles Anderson

~ as ~

Detective Inspector Harmer

Hugh Bonneville

~ as ~

Tim Duggan