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