Captain Richard 'Dick' Barton and his associate; Snowey White, uncover a spyring of international psychopathic criminals with plans to dominate Great Britain, if not, the world, using a terrifying weapon of mass destruction...

Don Stannard - Dick Barton
Bruce Walker - Snowey White
Sebastian Cabot - Fouracada
James Raglan - Lord Armadale
Jean Lodge - Tina
Morris Sweden - Robert Creston
John Harvey - Major Henderson
Humphrey Kent - Colonel Gardener
Sidney Vivian - Inspector Burke
Tony Morelli - Nicholas
George Crawford - Alex
Larry Taylor - Nick