Opening credits prologue: "This film is dedicated to National Servicemen and Drafted Men of the Free Nations past, present and to come."
The original UK title was "A Hill in Korea", but was changed to "Hell in Korea" for distribution in the U.S.
Credited theatrical movie debut of Sir Michael Caine (The National Servicemen: Private Lockyer)
Fourth film appearance of Robert Shaw.
Stanley Baker later remembered Michael Caine in this film, and gave him a large role in "Zulu" (1964) which he was producing and starring in.