Paul Carpenter
Val Neal
Acting
Patricia Roc
Mary Foster
Acting
Roland Culver
Dr. Francis Pelham
Acting
William Hartnell
Inspector Ross
Acting
Gordon Boyd
Detective Sergeant Davis
Acting
Edgar Driver
Atkins
Acting
Tom Tann
Wang
Acting
Ellen Pollock
Miss Barbara Barton
Acting
Robert Sansom
Senior Test Flight Official
Acting
Martin Wyldeck
Dr. Bradford
Acting
John Serret
Dr. Martin
Acting
Oliver Johnston
Dr. Kenyon
Acting
Kay Callard
Susie
Acting