A group of adventurers refloat a WWII German submarine and prepare to use it to pull a very large heist; The Queen Mary which they plan to rob on the high seas.
Frank Sinatra
as Mark Brittain
Virna Lisi
as Rosa Lucchesi
Anthony Franciosa
as Vic Rossiter
Richard Conte
as Tony Moreno
Alf Kjellin
as Eric Lauffnauer
Errol John
as Linc Langley
Murray Matheson
as Captain
Reginald Denny
as Master-at-Arms
John Warburton
as Bank manager
Lester Matthews
as Doctor
Val Avery
as Trench
Gilchrist Stuart
as Officer #1
