Frank Sinatra
Colonel Joseph L. Ryan
Trevor Howard
Major Eric Fincham
Brad Dexter
Sergeant Bostick
Sergio Fantoni
Captain Oriani
Edward Mulhare
Captain Costanzo
Wolfgang Preiss
Major Von Klemment
John van Dreelen
Colonel Gortz
Vito Scotti
Peppino, Italian Train Engineer
Richard Bakalyan
Corporal Giannini
Michael Goodliffe
Captain Stein
Michael St. Clair
Sergeant Major Dunbar
Ian Abercrombie
English POW
Jacques Stany
Gortz's Aide
Robert "Buzz" Henry
American POW
James B. Sikking
American POW
Rudy Germane
Controller (uncredited)