Clue of the Silver Key

Bernard Lee

Superintendent Meredith

Lyndon Brook

Gerry Domford

Finlay Currie

Harvey Lane

Jennifer Daniel

Mary Lane

Patrick Cargill

Binny

Anthony Sharp

Mike Hennessey

Sam Kydd

Horace Tickler

Eve Eden

Secretary

Derrick Sherwin

Quigley

Stanley Morgan

Sgt. Anson

Harold Scott

Crow

John Kidd

Mr. Hardwick

Robert Sansom

Police Doctor

Patricia Haines

Policewoman