Berserk (Cinema Cult) DVD

Monica Rivers (Joan Crawford) is the owner of a travelling circus plagued by a series of mysterious deaths. When a high-wire performer becomes the first victim, he is replaced by Frank Hawkins (Ty Hardin), an even more daring aerialist. But Frank's attentions to Monica make her business manager, Dorando (Michael Gough), jealous. After Dorando becomes the brutal killer's next victim, Police Superintendent Brooks (Robert Hardy) arrives at the scene, but the mystery is not so easy to unravel, with a cast of suspects with motives including jealousy and revenge.