"Fictionalized story of British aerospace engineers solving the problem of supersonic flight."
Ralph Richardson
as John Ridgefield
Ann Todd
as Susan Garthwaite
Nigel Patrick
as Tony Garthwaite
John Justin
as Philip Peel
Dinah Sheridan
as Jess Peel
Joseph Tomelty
as Will
Denholm Elliott
as Christopher Ridgefield
Jack Allen
as 'Windy'
Ralph Michael
as Fletcher
Leslie Phillips
as Controller
Donald Harron
as ATA officer
Vincent Holman
as Factor
Douglas Muir
David Lean
Director
Terence Rattigan
Writer
Producer
Norman Spencer
Associate Producer
Malcolm Arnold
Original Music Composer
Jack Hildyard
Director of Photography
Geoffrey Foot
Editor
Joseph Bato
Art Direction
John Hawkesworth
Ida Mills
Hairstylist
George Partleton
Makeup Artist
John Palmer
Production Manager
Adrian Pryce-Jones
Assistant Director
Vincent Korda
Set Designer
John Cox
Sound Director
Bert Ross
Sound Recordist
Winston Ryder
Sound Editor
Elizabeth Hennings
Costume Supervisor
Wally Fairweather
Clapper Loader
Jean Osborne
Publicist
Margaret Townsend
Production Secretary
