Secrets of Scotland Yard

Edgar Barrier

John Usher / Robert Usher

Stephanie Bachelor

Sudan Ainger

C·奥布雷·史密斯

Sir Christopher Pelt

莱昂内尔·阿特威尔

Waterlow

Henry Stephenson

Sir Reginald Meade

John Abbott

Mortimer Cope

Martin Kosleck

Josef

Mary Gordon

Libby, the Housekeeper