Adam Strange
Evelyn McLean
Hamlyn Gynt
Professor Marks
Chief Superintendent Cavanagh
James Hanson
Mary Hanson
Inspector Jenner
Glyn Crowley
Sir George Davies
Drake
Barbara
Inspector Matthews
Airport Attendent
Nils Paavo
Wiglow
Madeleine
Mrs. Ogilvie
Laboratory Assistant
Carol Webber
Arthur Pater
Bob Tremayne
Cliff Hunt
Leonard Grey
Jack White
James
Keymaker