Reparto y equipo

Eugène Lourié

Bill Travers Joe Ryan

William Sylvester Sam Slade

Vincent Winter Sean

Christopher Rhodes McCartin

Joseph O'Conor Prof. Hendricks

Bruce Seton Prof. Flaherty

Martin Benson Dorkin

Maurice Kaufmann Radio Reporter

Basil Dignam Admiral Brooks

Barry Keegan Mate

Tommy Duggan First Naval Officer

Howard Lang First Colonel

Dervis Ward Bosun

Mick Dillon Gorgo

Nigel Green Bulletin Announcer (Uncredited)

Herman King

Wilfred Eades

Angelo Francesco Lavagnino

Freddie Young

Eric Boyd-Perkins