Question: In First Daughter, Samantha McKenzie develops a relationship with a character played by an actor known for what role in "Buffy the Vampire Slayer"?
Sentence (from "First Daughter (2004 film)"): It stars Katie Holmes as Samantha MacKenzie, daughter of the President of the United States, who enrolls at a college and develops a relationship with another student at the college played by Marc Blucas.
Relevant evidence: Yes