User blog comment:Porterfield/Peter Dinklage Cast in New X-Men Movie/@comment-3347453-20130215231512/@comment-5928719-20130216073702

Actually, Duke played the Secretary of Defense, whose name happened to be Trask. It was just a casual reference to the comics, and considering that Hank McCoy appeared in X2 as a human and Emma Frost was in Wolverine as a teenager it's not hard to imagine that Dinklage as Trask.