Basil Lord

饰：Det. Sgt. Foakes, CID

Diane Watts

饰：Ann Chilgrove

John Ebdon

John Ebdon

饰：PC Evans

William Mervyn

饰：Det. Insp. Rosslyn, CID

Keith Pyott

Keith Pyott

饰：Sir Robert Davenport

威廉·福克斯

William Fox

饰：Joseph Davenport

Charles Mander

Charles Mander

饰：PC Gorse

Julien Mitchell

饰：Supt. Nyewood, Midfield Police

Elsie Wagstaff

饰：Mrs. Morter,(as Elsie Wagstaffe)