cast
- 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
- Basil Dignam
- Admiral
- Barry Keegan
- Mate
- Dervis Ward
- Bosun
- Howard Lang
- Colonel
- Tom Duggan
- Naval Officer
crew
- Eugène Lourié
- Director, Screen Story
- Wilfred Eades
- Producer
- Daniel Hyatt
- Screen Story, Screenwriter
- John R. Loring
- Screenwriter
- Freddie Young
- Cinematographer
- Angelo Francesco Lavagnino
- Composer (Music Score)
- Eric Boyd-Perkins
- Editor
- Bernard Robinson
- Production Designer
- Elliot Scott
- Art Director
- James Leicester
- Associate Producer
- Frank King
- Executive Producer
- Maurice King
- Executive Producer
- Harry Haynes
- Costume Designer
- Tom Howard
- Special Effects
- Joe Marks
- First Assistant Director, Second Assistant Director
- Jack Mills
- Camera Operator
- Peter Brace
- Stunts
- Peter Perkins
- Stunts
- Douglas Hermes
- Assistant Director
- Roy Ashton
- Makeup
