Christopher Plummer as Henrik Vanger Plummer plays Henrik Vanger, the former head of Vanger Industries who calls in Blomkvist to investigate the disappearance of his beloved grandniece Harriet in 1966. He&#39;s convinced she was murdered by someone in the troubled family. &#40;Pictured: Plummer in a promotional still for &#39;The Girl With The Dragon Tattoo.&#39;&#41; <span class=meta>(Columbia Pictures &#47; MGM)</span>