Master Spy

Stephen Murray

Boris Turganev

June Thorburn

Leila

Alan Wheatley

Paul Skelton

John Carson

Richard Colman

John Bown

John Baxter

Jack Watson

Captain Foster

Ernest Clark

Dr. Pembury

Peter Gilmore

Tom Masters

Marne Maitland

Dr. Asafu

Ellen Pollock

Dr. Morrell

Hugh Morton

Sir Gilbert Saunders

Basil Dignam

Richard Horton

Victor Beaumont

Petrov

Hamilton Dyce

Airport Controller