Sexton Blake

David Farrar

Dick Warren

Dennis Price

Stella Duncan

Pamela Stirling

James Duncan (as Julian Mitchell)

Julien Mitchell

Dr. Grey

Patric Curwen

P.C. Morgan

Cyril Smith

Paul Dacier

Ferdy Mayne

Phillip Rainsford

Dennis Arundell

Beales

Kynaston Reeves

Purvis

Johnnie Schofield

Marat

Paul Croft

Cotter

Desmond Roberts

Carl

Danny Green

Fox

Tony Arpino

Ferdinand "Ferdy" Mayne

Col. Wills

Vincent Holman

Preston

Howard Douglas

Sergeant Crossby

Billy Howard

Des Roberts

Wrexham

Anders Timberg

Otto

Victor Weske

Otto

H Victor Weske

Sir Horace Cranston

Gerald Pring

Van Schuster

Noel Dainton

Landlord

Charles Hersee

Housekeeper

Olive Walter