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