John Gregson

Captain Bell - H.M.S. Exeter

Anthony Quayle

Commodore Harwood - H.M.S. Ajax

Ian Hunter

Captain Woodhouse - H.M.S. Ajax

Jack Gwillim

Captain Parry - H.M.N. Z. S. Achilles

Bernard Lee

Captain Dove - M.S. Africa Shell

Lionel Murton

Mike Fowler

Anthony Bushell

Sir Millington Drake, British Minister, Montevideo

Peter Illing

Dr. Guani, Foreign Minister, Uruguay

Michael Goodliffe

Captain McCall, R.N., British Naval Attache, Buenos Aires

Patrick Macnee

Lieutenant Commander Medley, R.N.

John Chandos

Dr. Langmann, German Minister, Montevideo

Douglas Wilmer

M. Desmoulins, French Minister, Montevideo

William Squire

Ray Martin

Roger Delgado

Captain Varela, Uruguayan Navy

Andrew Cruickshank

Captain Stubbs, 'Doric Star'