Complex sentence: Unlike Frid's television portrayal of Barnabas, the Barnabas featured in the film was truer to a typical evil vampire, who by the end of the film had killed half of the Collins family.
Split into simpler sentences: Unlike Frid's original portrayal of Barnabas in the show, the Barnabas featured in the film was more true to the typical evil vampire. By the end of the film, he had killed half of the Collins family.