The Secret of Blood Island

is a 1965 British war film directed by Quentin Lawrence and starring Jack Hedley, Barbara Shelley and Patrick Wymark.

The film was shot in Eastmancolor and released that way in Britain, but the U.S. prints were in black & white.

[citation needed]Michael Ripper later said, "thought the story was very dodgy.

"[4] The Monthly Film Bulletin wrote: "Grotesquely inefficient melodrama, burdened with a ludicrous script, unconvincing settings, and Goonish impersonations of wicked Japanese from Patrick Wymark and Michael Ripper.

Only Jack Hedley and Lee Montague come out of this sorry affair with any sort of credit.