The Scotland Yard Mystery

Gerald du Maurier

Commissioner Stanton

George Curzon

Dr. Charles Masters

Grete Natzler

Irene Masters

Belle Chrystall

Mary Stanton

Leslie Perrins

John Freeman

Frederick Peisley

Kenneth Bailey

Wally Patch

Detective Sergeant George

Henry Victor

Floyd

Herbert Cameron

Paxton

Paul Graetz

Paston