A young RAF pilot tests his father-in-law’s prototype supersonic aircraft to the limit, at a time of intense development in the field of aviation, just as commercial jet airliners are about to enter service.
Ralph Richardson
John Ridgefield
Ann Todd
Susan Garthwaite
Nigel Patrick
Tony Garthwaite
John Justin
Philip Peel
Dinah Sheridan
Jess Peel
Joseph Tomelty
Will
Denholm Elliott
Christopher Ridgefield
Jack Allen
'Windy'
Ralph Michael
Fletcher
Leslie Phillips
Controller
Donald Harron
ATA officer
Vincent Holman
Factor
