Question: Open House is a 2004 real estate musical film that stars an actor and singer who is best known for originating the role of Mark Cohen in what Broadway production?
Sentence (from "Anthony Rapp"): He also performed the role of Charlie Brown in the 1999 Broadway revival of "You're a Good Man, Charlie Brown" and originated the role of Lucas in the musical "If/Then" in 2014.
Relevant evidence: No