Fictionalized story of British aerospace engineers solving the problem of supersonic flight.
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'
