Sexton Blake
Dick Warren
Stella Duncan
James Duncan (as Julian Mitchell)
P.C. Morgan
Paul Dacier
Phillip Rainsford
Purvis
Marat
Beales
Cotter
Carl
Dr. Grey
Fox
Col. Wills
Preston
Sergeant Crossby
Wrexham
Otto
Sir Horace Cranston
Van Schuster
Housekeeper
