Scott Christopher Grimes is an American actor and singer. Some of his most prominent roles include appearances in the TV series ER as Dr. Archie Morris, Party of Five as Will McCorkle, Band of Brothers as Technical Sergeant Donald Malarkey, and the animated sitcom American Dad!, voicing Steve Smith. As a singer, Grimes is best known for co-writing and performing the soft rock single "Sunset Blvd", which peaked at number 18 on Billboard’s Adult Contemporary chart in April 2005. He is also known for being one of the four singers in Russell Crowe's band Indoor Garden Party.