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
Special Agent Frank Thompson
Edmond O'Brien
The Man
Katherine Crawford
Jean
John Saxon
George Ducette
Van Johnson
Capt. Anderson
Tom Simcox
Chipps, Flight Engineer
Michael Sarrazin
Army Corporal
Ed Asner
Feldman
Malachi Throne
Bartender
Robert Pickering
Willoughby
Jan Shepard
Elizabeth Thompson
Greg Morris
Balaban, FBI Agent
