Basil Rathbone

Sherlock Holmes

Nigel Bruce

Dr. John H. Watson

Alan Mowbray

Maj. Duncan-Bleek

Dennis Hoey

Inspector Lestrade

Renee Godfrey

Vivian Vedder

Frederick Worlock

Prof. William Kilbane

Mary Forbes

Lady Margaret Carstairs

Skelton Knaggs

Sands

Billy Bevan

Train Attendant

Geoffrey Steele

Roland Carstairs

Gilbert Allen

Dining Car Steward

Harry Cording

Mock

Boyd Davis

Inspector MacDonald

Gerald Hamer

Alfred Shallcross

Leyland Hodgson

Train Conductor

Stuart Holmes

Man on Train Platform

Colin Kenny

Constable

Charles Knight

Guard