- An alternate, 83-minute English-language version also exists, wherein most of the lead performers delivered their lines in (generally phonetic) English. This version was released to Korean home video under the title "Circle It In Red", although the actual onscreen title of the print reads "The Red Circle".
- The uncut version (released on Criterion disc) runs 140 minutes. When the film appeared in the U.S. in the 1970s, it ran somewhere in the neighborhood of 90 minutes.
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