- Gary Cooper
- Gideon Patch
- Charlton Heston
- John Sands
- Michael Redgrave
- Mr. Nyland
- Emlyn Williams
- Sir Wilfred Falcett
- Cecil Parker
- The Chairman
- Alexander Knox
- Petrie
- Virginia McKenna
- Janet Taggart
- Richard Harris
- Lieutenant Higgins
- Ben Wright
- Mike
- Peter Illing
- Gunderson
- Terence de Marney
- Frank
- Ashley Cowan
- Burrows
- Charles Davis
- Yules - Quartermaster on Mary Deare
- Alexander Archdale
- Lloyd's Counsel
- Jack Armstrong
- Court of Enquiry Clerk
- Paul Beradi
- Court of Enquiry Clerk
- Wallace Bosco
- Courtroom Spectator
- Paul Bryar
- Port Official
- Albert Carrier
- Ambulance Attendant
- Lilyan Chauvin
- Nun
- John Dearth
- Reporter
- George Dee
- French Captain
- Jean Del Val
- Javot
- Noel Drayton
- Charlie Bell
- Ben Frommer
- Seaman
- Patrick Halpin
- Court of Enquiry Clerk
- Maria Haro
- Woman on Dock
- Jack Kenny
- Man on Dock
- Charles Lamb
- Court Clerk
- John Le Mesurier
- M.O.A. Lawyer
- Linda Lewis
- Little Girl
- Louis Mercier
- Commander of Police
- George Nardelli
- Man on Dock
- Richard Neller
- Enquiry Board Member
- Ron Nyman
- Seaman
- Harry Phipps
- Courtroom Spectator
- Jose Portugal
- Seaman
- Pat Ryan
- Court of Enquiry Clerk
- Kalu K. Sonkur
- Lascar
- Lomax Study
- Photographer
- John Zimeas
- Man on Dock
