A motley crew of treasure hunters plan to rob the cruise-liner RMS Queen Mary, using a recovered WW2 German submarine.
Jack Donohue
Frank Sinatra
Virna Lisi
Anthony Franciosa
Richard Conte
Alf Kjellin
Errol John
Murray Matheson
Reginald Denny
John Warburton
Lester Matthews
Val Avery
Gilchrist Stuart
Ronald Long
Leslie Bradley
Arthur Gould-Porter
Sinatra Enterprises
Seven Arts Pictures
