Guest Stars Mark Milner as Himself (Mark Milner - Canadian Military Historian) Jann Witt as Himself (German Naval Association) Warren Kimball as Himself (Warren Kimball - Rutgers University) Frank Scanlon as Himself (Frank Scanlon - Former Merchant Seaman) Peter Cock as Himself (Peter Cock - Former Royal Canadian Navy Seaman) Andrew Lambert as Himself (Professor of King's College London) Peter Petersen as Himself (Engineer of U-518) Georg Högel as Himself (Georg Högel - Former Radio Operator of U30) John Cannon as Himself (John Cannon - Former Seaman of HMS Courageous) Walter Wittig as Himself (Radio Operator of U-518) Ted Hodgson as Himself (Ted Hodgson - Former Merchant Seaman) David Balme as Himself (Navy Seaman on HMS Bulldog) Joseph Molnar as Himself (Former US Seaman on USS Reuben James) Eric Brown as Himself (Former Fleet Air Arm)