Sterling Hayden
Captain Martin Treleaven
John Ashley
TV Singer
Dana Andrews
Lt. Ted Stryker
William Conrad
Narrator (voice) (uncredited)
Geoffrey Toone
Dr. Baird
Linda Darnell
Ellen Stryker
Roy Gordon
Frank Graham
Jerry Paris
Tony Decker
Maxine Cooper
Sick Plane Passenger
John Zaremba
Passenger with Sick Wife (uncredited)
Willis Bouchey
RCAF Doctor
Larry Thor
Vancouver Radio Dispatcher
Hope Summers
Older Woman
Katherine Warren
Mrs. Purdy (uncredited)
Noel Drayton
Vancouver Control Man
Woody Chambliss
Reporter (uncredited)
S. John Launer
Vancouver Switchboard Operator (uncredited)
Duane Grey
Plane Passenger (uncredited)
Russell Thorson
Vancouver Flight Dispatcher
Will J. White
Vancouver Policeman
Steve London
First Officer Walt Stewart
Charles Quinlivan
Harry Burdick
James Maloney
Plane Passenger (uncredited)
Peggy King
Stewardess Janet Turner
Elroy 'Crazylegs' Hirsch
Capt. Bill Wilson
Patricia Tiernan
Mrs. Joan Wilson
Jo Ann Wade
Treleaven's Baby Sitter
William H. O'Brien
Nightclub Waiter (uncredited)
Mary Newton
Plane Passenger with Rosary Beads
Monty O'Grady
Nightclub Patron (uncredited)
James Gonzalez
Nightclub Patron (uncredited)
Fintan Meyler
Hysterical Woman
Robert Stevenson
Calgary Operator
Rudy Germane
Plane Passenger (uncredited)
Herschel Graham
Editor (uncredited)
Fred Fisher
Plane Passenger (uncredited)
Richard Keith
Calgary Station Manager
Arthur Hanson
Toer Operator
Will Sage
Vancouver Radar Controller