Counterspy

Dermot Walsh

Frank Manning

Hazel Court

Clare Manning

Hermione Baddeley

Madame Del Mar

Alexander Gauge

Smith

Bill Travers

Rex

Archie Duncan

Jim Fenton

James Vivian

Larry Fenton

Frederick Schrecker

Plattnaur

John Penrose

Paulson

Hugh Latimer

Inspector Barlow

Beryl Baxter

Plattnauer's Accomplice

Gwen Bacon

Matron

Maxwell Foster

Dr. Stevenson

Monti DeLyle

Dance Director

Howard Lang

Policeman