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A real "must see" for devotees of 1950s pop culture, Ring of Fear boasts a script co-written by character actor Paul Fix and a cast which includes the likes of animal trainer Clyde Beatty and pulp-fiction novelist Mickey Spillane. The story takes place in Beatty's travelling circus, where a homicidal maniac named Dublin (Sean McClory) is doing his best to wreck the show. It's all because Dublin is in love with Valerie (Marian Carr), the wife of aerialist Armond St. Denis (John Bromfield). Since the cops don't know who's behind all the trouble, they call in crime expert Spillane (cast as himself). Dublin nearly succeeds in bumping off Spillane before he himself is dispatched by a giant tiger. Representing the Law is Pat O'Brien, who delivers his silly dialogue with conviction.