David Farrar

Sexton Blake

Dennis Price

Dick Warren

Pamela Stirling

Stella Duncan

Julien Mitchell

James Duncan (as Julian Mitchell)

Cyril Smith

P.C. Morgan

Ferdy Mayne

Paul Dacier

Johnnie Schofield

Purvis

Kynaston Reeves

Beales

Desmond Roberts

Cotter

Danny Green

Carl

Patric Curwen

Dr. Grey

Howard Douglas

Preston