A bomb on board an airliner has an altitude-sensitive trigger. Unless a ransom is paid, it will explode when the plane descends to land.
Jack Lord
as Special Agent Frank Thompson
Edmond O'Brien
as The Man
Katherine Crawford
as Jean
John Saxon
as George Ducette
Van Johnson
as Capt. Anderson
Tom Simcox
as Chipps, Flight Engineer
Michael Sarrazin
as Army Corporal
Ed Asner
as Feldman
Malachi Throne
as Bartender
Robert Pickering
as Willoughby
Jan Shepard
as Elizabeth Thompson
Greg Morris
as Balaban, FBI Agent
