Cast
Hartley Power
General Adams (uncredited)
Herbert Lom
Dr. Alex Leon
Robert Beatty
Maj. Sam Seagram
Philip Ray
Sentry (uncredited)
Noel Willman
Dr. Dennis Bord
Muriel Pavlow
Caroline Cartier
Herbert Lomas
George Jackson
Hal Osmond
Agent Lawson
Stanley Maxted
Prof. Adams
Johnnie Schofield
Jim Barnes (uncredited)
Maurice Denham
Prof. Carrington
Marjorie Fielding
Michael's Mother
Cyril Chamberlain
Inspector Carter
James Donald
Michael Heathley
Phyllis Calvert
Lydia Heathley
Patric Doonan
Brian Jackson
Walter Fitzgerald
Sir Charles Craddock
Marianne Stone
Maisie