Question: What was the name of a United Stated Army officer during World War 2 and served again later in the Korean war and was later featured on a HBO miniseries where his character was played by played by Matthew Settle?
Sentence (from "Matthew Settle"): He is known for playing Captain Ronald Speirs on the HBO miniseries "Band of Brothers" and Rufus Humphrey on the CW teen drama series "Gossip Girl".
Relevant evidence: Yes